Automotive Exhaust & Aftertreatment Systems Report

  • October 2013
  • -
  • Supplier Business
  • -
  • 150 pages

The exhaust and after-treatment market is set for considerable growth, not only through the significant global vehicle production volume growth forecast but also through significant increases in the revenue generated for each system. The tightening regulatory environment has led to considerably increased revenues per vehicle and this is set to improve globally as emerging high growth markets catch up with Europe and Northern America in terms of the level of equipment needed to meet regulations.

Automotive emissions system technology is precompetitive not only in the US and Europe, but largely, across emerging markets as well. The awkward, and ultimately costly situation where different national and regional regulation and testing regimes that have required different emissions technologies and systems in order to satisfy disparate markets is being steadily eroded by the harmonisation of emissions regulations. A measure that will bring huge long term benefits to those players in the exhaust and aftertreatment sector.

Having initially endured the difficult situation of meeting environmental regulations developed across three different markets; the US, the European Union and Japan, OEMs and suppliers have found that emerging markets have largely been able to pick their regulation ’off the shelf’ which has meant that those suppliers that have successfully developed technology to meet those regulations enjoy a competitive advantage in the emerging markets.

About this report

This fourth edition examines the key drivers in this sector including fuel economy and CO2 emissions, noxious emissions and health concerns and platinum group metal trends. The report goes on to examine exhaust and aftertreatment technologies, in particular gasoline engine emissions control and diesel engine emissions control. It considers regional forecasts of vehicle production by fuel type and considers the global growth of the exhaust and aftertreatment component market.

The report contains a wealth of figures and tables and is accompanied by 18 detailed profiles of the major supplier companies active in the sector.

Table Of Contents


Key drivers
Fuel economy and CO2 emissions
The United States
The European Union
Other countries
Criterion emissions
Diesel Soot - Particulate Matters
Nitrogen oxides (NOx)
The United States
Other countries
Medium- and heavy-duty vehicles
Testing regimes
Platinum Group Metals trends

Exhaust and after-treatment technology
Three-Way Catalytic converter (TWC)
Diesel oxidation catalyst
Exhaust Gas Re-circulation (EGR)
NOx reduction
Selective catalytic reduction (SCR)
Lean NOx trap or NOx adsorber catalyst (NAC)
CRT Process
Particulate reduction
Particulate filters
Combined particulate and NOx after-treatment systems
Catalyst Poisoning
The SCR versus EGR debate
SCR plus EGR for Euro 6
Acoustic management
Exhaust heat recovery systems
Thermoelectric generators

The exhaust and after-treatment systems market
The OEM market
The Aftermarket

Table of figures

Figure 1: Emissions regulation promulgation from different source jurisdictions
Figure 2: The progress of emissions regulations across major markets
Figure 3 Tenneco’s technology road map for exhaust systems
Figure 4: Global CO2 (g/km) progress normalised to NEDC test cycle
Figure 5: CO2 (g/km) performance and standards in the EU new cars 1994 - 2011
Figure 6: Fuel economy standards to 2015 for selected countries (US mpg)
Figure 7: Comparison of different fuel efficiency regulations and test regimes
Figure 8: Global testing procedures and standards
Figure 9: CO reductions in the EU, Japan and the US, 2000 - 2010
Figure 10: HC reductions in the EU, Japan and the US, 2000 - 2010
Figure 11: An overview of the role of nitrogen oxides in atmospheric chemistry
Figure 12: The structure of particulate matter (PM)
Figure 13: Diesel PM reductions in the EU, Japan and the US, 2000 - 2010
Figure 14: NOx reductions in the EU, Japan and the US, 2000 - 2010
Figure 15: Euro 5 and 6 emissions regulation implementation roadmap
Figure 16 US Light duty emissions standards
Figure 17 Criterion emissions reductions in the EU, the US and Japan, 1992 - 2015
Figure 18 Emissions standards timetable in selected countries, 2001 - 2010
Figure 19: Comparison of different test regimes for EU, US and Japan
Figure 20: PGM application suitability mix
Figure 21: Price trends for palladium, platinum and rhodium 1993 to 2011
Figure 22: Factors affecting overall PGM demand
Figure 23: Aggregate PGM demand 2003 - 2012
Figure 24: Eberspächer technology road map for exhaust systems
Figure 25 A 2012 exhaust system including emissions control, CO2 reduction and acoustic design
Figure 26: A comparison of exhaust systems 1975 and 2009
Figure 27: Audi A3 aluminium cylinder head with integrated exhaust manifold
Figure 28: Three-way catalytic converter
Figure 29: The effect of temperature on catalytic converter operation
Figure 30: A close-coupled catalytic converter, close to the engine for faster light-off, with underfloor catalyst and oxygen sensor
Figure 31: The effect of fuel-air mixture on catalytic converter operation
Figure 32: The construction of an electrically heated TWC
Figure 33: The construction of a diesel oxidation catalytic converter
Figure 34: Exhaust gas recirculation with cooler
Figure 35: A schematic of an advanced EGR system
Figure 36: Denso’s compact EGR cooler for gasoline engines
Figure 37: Selective catalytic reduction schematic
Figure 38: Selective catalytic reduction
Figure 39: Delphi’s on-board reformer
Figure 40: Faurecia ASDS unit
Figure 41: A schematic of Faurecia’s ASDS system
Figure 42: Lean NOx trap operating modes
Figure 43: NOx trap system with ECU control
Figure 44: Strategies for the minimisation of PM in GDI engines
Figure 45: A schematic of a wall-flow DPF
Figure 46: Mercedes Benz E Class DPF
Figure 47: Acicular Mulite process effects in DPF substrate
Figure 48: Combined NOx reduction and particulate reduction systems
Figure 49: Assessment grid for combined NOx reduction and particulate reduction systems
Figure 50: Development trends for SCR and LNT technologies
Figure 51: A comparison between EGR and SCR technology
Figure 52: Eberspächer’s ActiveSound technology integrated with an Audi A6 exhaust system
Figure 53: Energy distribution and losses
Figure 54: Honda Rankine cycle energy recovery system
Figure 55: Electrical power requirements for NEDC and actual customer requirements for various vehicle classes
Figure 56: BMW Turbostreamer technology on test and in-situ
Figure 57: BMW’s combined EGR TEG unit
Figure 58: A systematic diagram of a TE module
Figure 59: Skutterudite structures
Figure 60: Thermoelectric materials development
Figure 61: Global gasoline and diesel production forecast to 2024
Figure 62: Global gasoline and diesel production forecast by region to 2024
Figure 63: Forecast PGM use in autocatalysts
Figure 64: Forecast DPF market for light vehicles to 2024
Figure 65: Exhaust and after-treatment market for light vehicles value to 2024
Figure 66: Exhaust and after-treatment market for light vehicles value by region to 2024

Table of tables

Table 1: Euro emissions limits for light positive ignition (gasoline) vehicles (g/km)
Table 2: Euro emissions limits for light compression ignition (diesel) vehicles (g/km)
Table 3: US emissions standards for light-duty vehicles, to five years/50,000 miles (g/mile)
Table 4: Monitoring requirements of California OBD systems
Table 5: Japan emissions limits for light gasoline and LPG vehicles (g/km)
Table 6: Japan emissions limits for light diesel vehicles (g/km)
Table 7: Chinese emissions standards for light duty vehicles
Table 8: Emissions control strategies
Table 9: Reactions in a three- way catalytic converter
Table 10: Cost comparison EGR vs SCR in Europe

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