Diesel Particulate Filter

Diesel Particulate Filter Market Outlook

The global Diesel Particulate Filter (DPF) market was valued at approximately USD 5.6 billion in 2023 and is projected to reach around USD 9.4 billion by 2035, growing at a compound annual growth rate (CAGR) of about 5.3% during the forecast period of 2025-2035. This growth can be attributed to the escalating environmental regulations aimed at reducing particulate emissions from diesel engines, the increasing demand for diesel vehicles, and the growing awareness about air quality among consumers worldwide. Furthermore, the technological advancements in DPF systems, including improved durability and efficiency, are also propelling market growth. The rising number of heavy-duty vehicles in logistics and transportation and increased investment in clean diesel technologies are additional factors contributing to the expansion of the market.

Growth Factor of the Market

One of the primary growth factors for the Diesel Particulate Filter market is the stringent regulatory framework imposed by governments worldwide, aimed at controlling emissions from diesel vehicles. Regulations such as the Euro 6 standards in Europe and the EPA regulations in the United States necessitate the implementation of advanced emissions control systems, which prominently include DPFs. Another significant factor is the growing industrialization and urbanization in emerging economies, resulting in the increased use of diesel-powered vehicles for transportation and construction purposes. Additionally, the rising awareness of environmental issues and health concerns related to particulate matter emissions has driven both consumers and manufacturers to adopt more sustainable practices, further stimulating the growth of the DPF market. Furthermore, the continuous enhancement of DPF technologies, such as the development of more efficient catalysts and substrates, has led to improved performance and reliability, appealing to a broader range of consumers. Lastly, the aftermarket segment is witnessing growth due to the increasing number of aging diesel vehicles, which requires retrofitting solutions like DPFs to meet modern emission standards.

Key Highlights of the Market

• The DPF market is expected to grow significantly, reaching USD 9.4 billion by 2035.
• Stringent emissions regulations are driving the adoption of DPFs across various vehicle types.
• Technological advancements in DPF systems are enhancing performance and efficiency.
• The aftermarket segment is gaining traction due to the increasing number of older diesel vehicles.
• Emerging economies are expected to contribute significantly to market growth due to rising urbanization.

By Product Type

Catalyzed DPF:

Catalyzed Diesel Particulate Filters (DPFs) are designed to oxidize carbon soot while trapping particulate matter. These filters are equipped with a catalyst that promotes the oxidation of soot at lower temperatures, which enhances their efficiency and effectiveness in controlling emissions. Catalyzed DPFs are particularly popular in heavy-duty vehicles, where extended operation at higher loads can lead to increased particulate emissions. The growing demand for cleaner and more efficient diesel engines is driving the adoption of catalyzed DPFs, as they provide a reliable solution for meeting stringent emission standards without compromising engine performance.

Non-Catalyzed DPF:

Non-Catalyzed DPFs function primarily by trapping particulate matter without the aid of a catalyst to facilitate oxidation. This type of filter is typically less expensive than its catalyzed counterparts and is commonly used in applications where the engine operates under conditions that allow for higher exhaust temperatures conducive to passive regeneration. While they may be less effective in reducing emissions at lower temperatures, non-catalyzed DPFs are often used in vehicles that can achieve the necessary thermal conditions for regeneration. The market for non-catalyzed DPFs is expected to remain stable, particularly among light-duty vehicles, where cost and simplicity are important factors.

Partially Catalyzed DPF:

Partially Catalyzed DPFs combine features of both catalyzed and non-catalyzed filters, offering a balanced approach to particulate matter reduction. These filters utilize a catalyst only in part of the substrate, which allows for effective oxidation of soot while maintaining a lower cost compared to fully catalyzed systems. They are particularly appealing to OEMs looking for a middle ground solution that meets regulatory requirements without the expense of a full catalytic unit. As emissions regulations become more stringent, the market for partially catalyzed DPFs is likely to grow, especially in commercial applications where cost-effectiveness is critical.

Ceramic DPF:

Ceramic DPFs are widely utilized due to their excellent thermal stability and filtering efficiency. Made typically from cordierite or silicon carbide, these filters are capable of withstanding high-temperature exhaust gases, making them effective for a range of diesel engine applications. Their porous structure allows for the effective capture of particulate matter, while their ceramic nature facilitates the regeneration process through thermal oxidation. With regulatory pressures increasing, the demand for ceramic DPFs is expected to rise across various sectors, particularly in heavy-duty and commercial vehicles that require high reliability and performance over prolonged use.

Metal Fiber DPF:

Metal Fiber DPFs are gaining traction in the market due to their unique properties that include excellent durability, thermal stability, and ease of regeneration. These filters are constructed using metal fiber substrates, which allow for higher filtration efficiencies and better thermal conductivity compared to traditional ceramic filters. Metal fiber DPFs are particularly suited to applications in high-performance and heavy-duty vehicles, where durability and longevity are crucial. As the automotive industry continues to innovate towards more durable and efficient emission control solutions, metal fiber DPFs are poised to capture a significant share of the market.

By Application

Light Commercial Vehicles:

The application of Diesel Particulate Filters in light commercial vehicles is driven by the increasing regulations on emissions and the growing need for efficient fuel consumption. As urban areas impose stricter emissions controls, manufacturers are compelled to integrate DPF technology in light-duty diesel vehicles. The growth in e-commerce and delivery services has further heightened the demand for light commercial vehicles, subsequently impacting the DPF market positively. As consumers become more environmentally conscious, the adoption of DPF-equipped light commercial vehicles is expected to rise, leading to sustained growth in this segment.

Heavy Commercial Vehicles:

Heavy commercial vehicles, which include trucks and buses, represent a significant segment for the Diesel Particulate Filter market. The construction and logistics industries are major consumers of heavy diesel vehicles, and as these sectors expand globally, so too does the demand for effective emissions control solutions. The stringent emissions regulations set forth by authorities in various regions are motivating fleet operators to invest in advanced DPF technologies to meet compliance standards. Furthermore, the longevity and high performance of DPFs in heavy-duty applications contribute to their increasing adoption, reinforcing their critical role in emissions management.

Off-Highway Vehicles:

Off-highway vehicles, which include construction equipment, agricultural machinery, and mining vehicles, also utilize Diesel Particulate Filters to address emissions concerns. These vehicles often operate in environments where particulate matter control is crucial for minimizing air pollution and maintaining regulatory compliance. Given the harsh operational conditions of off-highway vehicles, robust and efficient DPF systems are essential. As the off-highway equipment market continues to grow and evolve, driven by infrastructure developments and modernization efforts worldwide, the demand for effective DPF solutions will also expand, presenting significant opportunities for manufacturers.

Passenger Cars:

The inclusion of Diesel Particulate Filters in passenger cars is a direct response to increasing regulatory pressures and consumer demand for cleaner vehicles. With many manufacturers transitioning towards cleaner diesel technologies, DPFs have become a standard feature in modern diesel passenger cars. This trend is expected to continue as automakers aim to meet stringent emissions standards while also enhancing fuel efficiency. The growing popularity of diesel engines in passenger vehicles, driven by their fuel economy and performance, further supports the need for effective particulate matter reduction solutions such as DPFs. As consumer preferences shift towards sustainability, the application of DPFs in passenger cars will likely see ongoing growth.

By Distribution Channel

OEM:

Original Equipment Manufacturers (OEMs) represent a critical distribution channel for Diesel Particulate Filters. Major automotive companies manufacture and install DPFs directly in their vehicles, ensuring that they comply with emission standards from the outset. The OEM segment is characterized by strong relationships between manufacturers and DPF producers, enabling a streamlined supply chain. As the automotive industry moves towards greater integration of emissions control technologies, the OEM channel is expected to witness steady growth, particularly as more manufacturers adopt cleaner diesel technologies in response to regulatory changes.

Aftermarket:

The aftermarket segment for Diesel Particulate Filters is growing rapidly, driven by the increasing number of aging diesel vehicles on the roads that require replacement or retrofitting solutions to meet modern emissions standards. Many consumers are turning to aftermarket solutions as a cost-effective way to ensure compliance with regulations without investing in new vehicles. The aftermarket also includes services related to maintenance and cleaning of existing DPF systems, which further contributes to market growth. As stringent emissions regulations continue to compel vehicle owners to maintain their DPF systems, the aftermarket is poised to become a significant contributor to the overall DPF market.

By Substrate Type

Cordierite:

Cordierite is a commonly used substrate material for Diesel Particulate Filters due to its thermal shock resistance and low expansion properties. This ceramic material is preferred for its ability to withstand high temperatures and effectively trap particulate matter. Cordierite DPFs are widely utilized in various diesel vehicles, including light-duty and heavy-duty applications. The combination of cost-effectiveness and performance makes cordierite a popular choice among manufacturers. As the demand for efficient emissions control solutions grows, the utilization of cordierite substrates in DPFs is expected to remain strong.

Silicon Carbide:

Silicon carbide substrates are gaining recognition in the Diesel Particulate Filter market for their exceptional thermal stability and high filtration efficiency. These substrates are particularly effective in applications where higher temperatures are common, making them suitable for heavy-duty vehicles and industrial applications. Silicon carbide DPFs can achieve higher filtration rates and provide better durability compared to traditional materials. As manufacturers focus on developing advanced emissions control technologies, the adoption of silicon carbide substrates is expected to increase, driven by their superior performance in meeting stringent emissions standards.

Ceramic Fiber:

Ceramic fiber substrates are emerging as a viable option in the Diesel Particulate Filter market due to their lightweight and high-temperature performance. This type of substrate offers excellent filtration efficiency while being less prone to thermal shock compared to other materials. Ceramic fiber DPFs have the potential to enhance the compactness and overall design of emissions control systems, making them appealing for various applications. As the automotive industry seeks to improve fuel efficiency and reduce emissions in a more compact design, the interest in ceramic fiber substrates is likely to grow.

Metal Fiber:

Metal fiber substrates are appreciated in the Diesel Particulate Filter market for their robustness and ability to withstand extreme operating conditions. These substrates provide high durability and can be easily cleaned and regenerated, making them suitable for heavy-duty applications. Metal fiber DPFs are effective in achieving high filtration efficiency while minimizing back pressure on the engine, essential for maintaining performance. As manufacturers seek to address both emissions control and engine efficiency, the demand for metal fiber substrate DPFs will likely increase, particularly in industrial and commercial vehicles.

By Regeneration Catalyst

Platinum-Rhodium:

Platinum-Rhodium catalysts are among the most effective options for the regeneration of Diesel Particulate Filters. This catalyst combination enhances the oxidation of soot and reduces the temperature required for effective regeneration, making it ideal for various diesel applications. The efficiency of Platinum-Rhodium catalysts allows for better control over particulate emissions, ensuring compliance with stringent regulations. However, the high cost of precious metal catalysts can present challenges for widespread adoption. As the demand for efficient emissions control technologies continues to rise, the use of Platinum-Rhodium catalysts in DPFs is likely to remain prominent, particularly in heavy-duty and commercial applications.

Cerium:

Cerium-based catalysts are increasingly being utilized in Diesel Particulate Filters to facilitate the regeneration process at lower temperatures. The use of cerium helps to promote the oxidation of soot and enhances the overall efficiency of the DPF system. While cerium is less expensive than precious metal catalysts, it still provides substantial benefits in terms of emissions control. The growing focus on developing cost-effective solutions for emissions reduction is driving the demand for cerium catalysts in the DPF market, particularly in light and medium-duty applications.

Iron-Manganese:

Iron-Manganese catalysts are emerging as a promising alternative for Diesel Particulate Filter regeneration due to their low cost and effective oxidation capabilities. These catalysts can help lower the temperature required for soot oxidation and are particularly appealing to manufacturers seeking to reduce costs while maintaining compliance with emissions regulations. As the market shifts towards more affordable emissions control solutions, the adoption of Iron-Manganese catalysts is expected to increase, especially in applications where cost considerations are paramount. The effectiveness of these catalysts in a variety of operating conditions further supports their growing presence in the DPF market.

Regional Outlook

The Diesel Particulate Filter market is geographically segmented into several regions, with North America, Europe, Asia-Pacific, Latin America, and the Middle East & Africa being the primary contributors. Europe currently holds the largest share of the DPF market, accounting for approximately 40% of the global market in 2023, driven by stringent emissions regulations like the Euro 6 standards. The European region is expected to maintain a strong CAGR of around 5.0% as manufacturers continue to innovate and adopt advanced emissions control technologies. Meanwhile, North America also represents a significant share, fueled by strong regulatory frameworks and rising demand for cleaner diesel vehicles, particularly in the commercial and transportation sectors.

In the Asia-Pacific region, the Diesel Particulate Filter market is witnessing rapid growth, fueled by increasing urbanization, industrialization, and a rising number of diesel vehicles. With a projected CAGR of 6.1% over the forecast period, this region is expected to become a key player in the global market, particularly as countries like China and India implement stricter emissions standards. The Latin America and Middle East & Africa regions are also expected to contribute to market growth, albeit at a slower pace due to varying regulatory frameworks and economic conditions. Nonetheless, the overall trend indicates a growing recognition of the importance of emissions control technologies in these regions.

Opportunities

The Diesel Particulate Filter market is poised for substantial growth due to emerging opportunities related to technological advancements and regulatory changes. Innovations in DPF technology, such as the development of more efficient catalysts and substrates, are presenting manufacturers with opportunities to enhance performance while reducing costs. Additionally, the growing trend towards electrification in the automotive sector creates a unique opportunity for hybrid diesel-electric vehicles, which can utilize advanced DPF systems for managing particulate emissions. Companies that can adapt to these changes and innovate their product offerings are likely to capture a significant share of the market. Furthermore, as governments continue to impose stricter emissions standards globally, the demand for effective emissions control solutions is expected to surge, providing a strong incentive for investment in the DPF sector.

Moreover, the increasing focus on sustainability and reducing carbon footprints is driving businesses and consumers toward greener technologies, thus enhancing the market potential for Diesel Particulate Filters. As industries, particularly logistics and transport, seek to comply with new environmental regulations while optimizing their operational efficiencies, the adoption of DPF systems will be a crucial element of their strategy. Companies that can provide comprehensive solutions, including maintenance and retrofitting of existing vehicles, are well-positioned to benefit from these trends. Additionally, the rising awareness of the health impacts of air pollution is prompting a cultural shift towards cleaner technologies, further catalyzing the growth of the Diesel Particulate Filter market.

Threats

Despite the promising outlook for the Diesel Particulate Filter market, there are significant threats that could impede growth. One major concern is the fluctuating prices of raw materials, particularly those used in catalysts such as platinum and rhodium. These fluctuations can lead to increased costs for manufacturers and may impact the pricing strategies of DPF systems. Additionally, the rapid evolution of alternative technologies, such as electric and hydrogen fuel cells, poses a challenge to the diesel market as these alternatives become more viable and attractive to consumers. As the automotive industry shifts toward electrification, the reliance on diesel engines may diminish, affecting the demand for Diesel Particulate Filters.

Another potential threat is the increasing competition from manufacturers who are innovating and offering advanced emissions control solutions. As the market becomes more saturated, maintaining a competitive edge will become increasingly difficult. Moreover, the complexity involved in the manufacturing and integration of DPF systems into vehicles raises concerns about the overall reliability and effectiveness of these products. If manufacturers cannot ensure consistent performance, consumer trust may diminish, hampering market growth. Lastly, regulatory changes and potential shifts in government policies related to emissions control could also impact the market landscape, leading to uncertainties for manufacturers and consumers alike.

Competitor Outlook

• Faurecia
• Donaldson Company, Inc.
• Beru AG
• Montaplast GmbH
• Umicore
• Corning Incorporated
• NGK Spark Plug Co., Ltd.
• HJS Emission Technology
• Eberspächer
• Walker Exhaust Systems
• Katcon Global
• Magna International Inc.
• Bosal Group
• Groupe PSA
• Rohm and Haas Company

The competitive landscape of the Diesel Particulate Filter market is characterized by a mix of established players and emerging companies striving to innovate and capture market share. Leading companies such as Faurecia and Donaldson Company, Inc. have invested heavily in research and development to advance DPF technologies and maintain their positions in the market. As environmental regulations continue to evolve, these companies are focusing on developing more efficient and cost-effective solutions that not only meet compliance standards but also enhance vehicle performance. Additionally, collaboration and strategic partnerships among manufacturers, OEMs, and technology providers are becoming increasingly common as they seek to share resources and expertise to accelerate product development and reach broader markets.

Another key aspect of the competitive landscape is the growing trend toward sustainability and environmental responsibility among major players. Companies like Umicore and Corning Incorporated are actively pursuing environmentally friendly practices in their manufacturing processes while developing advanced emissions control technologies. As consumer awareness about air pollution and health impacts increases, these companies are positioned to capitalize on the demand for cleaner solutions in the automotive sector. Furthermore, the aftermarket segment is witnessing significant competition, with numerous companies offering retrofitting solutions and maintenance services for existing diesel vehicles, catering to the growing need for compliance with stringent emissions standards.

In conclusion, the Diesel Particulate Filter market presents a dynamic and evolving landscape, with various opportunities and challenges shaping its future. As regulation becomes stricter, the demand for efficient DPF systems is likely to continue its upward trajectory. Key players in the market are tasked with adapting to the changing environment while focusing on innovation and sustainability to stay competitive. Through strategic investments, partnerships, and a commitment to advancing emissions control technologies, these companies are well-positioned to thrive within the market as they navigate the complexities of an evolving automotive industry.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Beru AG
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Umicore
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Faurecia
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Groupe PSA
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Bosal Group
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Katcon Global
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Montaplast GmbH
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Eberspächer
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Corning Incorporated
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Rohm and Haas Company
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Walker Exhaust Systems
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Donaldson Company, Inc.
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 HJS Emission Technology
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Magna International Inc.
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 NGK Spark Plug Co., Ltd.
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Diesel Particulate Filter Market, By Application
    • 6.1.1 Light Commercial Vehicles
    • 6.1.2 Heavy Commercial Vehicles
    • 6.1.3 Off-Highway Vehicles
    • 6.1.4 Passenger Cars
  • 6.2 Diesel Particulate Filter Market, By Product Type
    • 6.2.1 Catalyzed DPF
    • 6.2.2 Non-Catalyzed DPF
    • 6.2.3 Partially Catalyzed DPF
    • 6.2.4 Ceramic DPF
    • 6.2.5 Metal Fiber DPF
  • 6.3 Diesel Particulate Filter Market, By Substrate Type
    • 6.3.1 Cordierite
    • 6.3.2 Silicon Carbide
    • 6.3.3 Ceramic Fiber
    • 6.3.4 Metal Fiber
  • 6.4 Diesel Particulate Filter Market, By Regeneration Catalyst
    • 6.4.1 Platinum-Rhodium
    • 6.4.2 Cerium
    • 6.4.3 Iron-Manganese

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Diesel Particulate Filter Market by Region

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Diesel Particulate Filter market is categorized based on

By Product Type

• Catalyzed DPF
• Non-Catalyzed DPF
• Partially Catalyzed DPF
• Ceramic DPF
• Metal Fiber DPF

By Application

• Light Commercial Vehicles
• Heavy Commercial Vehicles
• Off-Highway Vehicles
• Passenger Cars

By Substrate Type

• Cordierite
• Silicon Carbide
• Ceramic Fiber
• Metal Fiber

By Regeneration Catalyst

• Platinum-Rhodium
• Cerium
• Iron-Manganese

Key Players

• Faurecia
• Donaldson Company, Inc.
• Beru AG
• Montaplast GmbH
• Umicore
• Corning Incorporated
• NGK Spark Plug Co., Ltd.
• HJS Emission Technology
• Eberspächer
• Walker Exhaust Systems
• Katcon Global
• Magna International Inc.
• Bosal Group
• Groupe PSA
• Rohm and Haas Company