Automotive Exhaust Aftertreatment Systems Market to Reach US$ 27.72 Billion by 2031, Driven by Stricter Emission Regulations, Electrification Transition, and Advanced Catalyst Technologies

According to DataM Intelligence, the global automotive exhaust aftertreatment systems market reached US$ 21.93 billion in 2023 and is expected to reach US$ 27.72 billion by 2031, growing at a CAGR of 3.0% during the forecast period 2024-2031. Growth is supported by tightening global emission standards (Euro 7, China 7, EPA Tier 4), increasing demand for cleaner diesel and gasoline vehicles, advancements in multi-functional catalysts and particulate filters, and continued focus on reducing NOx, PM, and CO2 emissions amid the shift toward hybrid and low-emission powertrains.

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Asia-Pacific Key Industry Developments
✅ January 2026: Denso Corporation and Robert Bosch GmbH reported increased orders for lean NOx traps and three-way catalytic converters tailored for hybrid gasoline vehicles in the fast-growing Asian passenger car segment.
✅ December 2025: Major OEMs in China and India accelerated adoption of advanced Selective Catalytic Reduction (SCR) and Gasoline Particulate Filters (GPF) to comply with upcoming China 7 and BS-VII emission norms, boosting demand for integrated aftertreatment systems.
✅ December 2025: Cummins Inc. and Johnson Matthey Plc expanded production capacity in Asia for high-efficiency diesel aftertreatment modules, securing large contracts with commercial vehicle manufacturers.

North America & Europe Key Industry Developments
✅ January 2026: Continental AG advanced sensor-integrated aftertreatment solutions for real-time emission monitoring, supporting regulatory compliance in heavy-duty trucks.
✅ December 2025: Faurecia S.A. (now FORVIA) and Tenneco Inc. launched next-generation modular aftertreatment systems with improved thermal management for Euro 7-compliant diesel and gasoline vehicles, with strong uptake in European commercial fleets.
✅ December 2025: BASF SE introduced new low-precious-metal catalyst formulations, enhancing cost-efficiency while meeting stringent EPA and CARB standards in North America.

Key Mergers and Acquisitions
✅ Strategic Partnership: Johnson Matthey Plc and Plastic Omnium S.A. deepened collaborations on integrated exhaust systems combining catalysts and structural components for next-gen vehicles.
✅ Technology Acquisition: Leading suppliers pursued joint ventures to develop ammonia-free SCR alternatives and advanced GPF technologies for gasoline direct-injection engines.

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Market Segmentation Analysis
-By Component: Selective Catalytic Reduction (SCR) and Diesel Particulate Filters (DPF) lead in diesel applications; Three-Way Catalytic Converters (TWC) and Gasoline Particulate Filters (GPF) dominate gasoline segments.
-By Vehicle: Commercial Vehicles hold significant share due to heavy-duty diesel regulations; Passenger Vehicles grow steadily with GPF and hybrid adoption.
-By Fuel: Diesel remains prominent in commercial segments; Gasoline grows rapidly in passenger cars with stricter particulate limits.
-By Sales Channel: OEMs dominate with factory integration; Aftermarket expands for retrofits and replacement in aging fleets.

Regional Insights
Asia-Pacific commands both the largest market share and is the fastest-growing region, driven by massive vehicle production volumes, rapid implementation of stringent emission norms in China and India, expanding commercial vehicle fleet, and increasing investments in local manufacturing of aftertreatment components. North America and Europe follow with mature regulatory frameworks and focus on advanced, high-efficiency systems.

Growth Drivers
1. Globally tightening emission regulations (Euro 7, China 7, BS-VII, EPA updates) mandating lower NOx, PM, and CO2 levels
2. Rising demand for diesel aftertreatment in commercial vehicles and GPF in gasoline passenger cars
3. Technological advancements in catalyst materials, sensor integration, and multi-functional exhaust systems
4. Continued growth in hybrid and internal combustion engine vehicles during the electrification transition
5. Strategic expansions, local production, and partnerships by global suppliers in high-growth Asia-Pacific markets

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Key Players
The market includes leading companies such as BASF SE, Continental AG, Cummins Inc., Denso Corporation, Faurecia S.A., Friedrich Boysen GmbH & Co. KG, Johnson Matthey Plc, Plastic Omnium S.A., Robert Bosch GmbH, and Tenneco Inc.

Key Highlights (Top 5 Key Players)
1. Johnson Matthey Plc - Global leader in catalytic technologies with advanced low-emission solutions for diesel and gasoline aftertreatment.
2. BASF SE - Innovator in high-performance catalyst materials and formulations reducing precious metal usage.
3. Cummins Inc. - Strong presence in commercial vehicle aftertreatment with integrated SCR and DPF systems.
4. Denso Corporation - Advancing compact, high-efficiency aftertreatment for passenger and hybrid vehicles in Asia.
5. Continental AG - Excelling in sensor-integrated exhaust management systems for real-time compliance.

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