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  2. Diesel particulate filter - Wikipedia

    en.wikipedia.org/wiki/Diesel_particulate_filter

    Cordierite Diesel Particulate Filter on GM 7.8 Isuzu. Unlike a catalytic converter which is a flow-through device, a DPF retains bigger exhaust gas particles by forcing the gas to flow through the filter material before exiting; [2] [29] however, the DPF does not retain small particles. Maintenance-free DPFs oxidise or burn larger particles ...

  3. Diesel Emissions Reduction Act - Wikipedia

    en.wikipedia.org/wiki/Diesel_Emissions_Reduction_Act

    This was reported as a public health benefit between $580 million and $1.4 billion and saved operators 3.2 million US gallons (12,000 m 3) of fuel in 2008 (a cost savings of $8 million). The report stated that upwards of 14,000 diesel-powered engines were made cleaner under DERA, two-thirds of those being trucks and school buses through EPA ...

  4. Diesel emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Diesel_emissions_scandal

    In addition, the vehicle with a carbon dioxide emissions of 179 g CO 2 /km is permitted, but in real operation on the road, according to DUH, the emissions are on average 241 g CO 2 /km. In addition to the diesel passenger car Audi A8 4.2 TDI with emission standard Euro 6, which according to own data was measured on average 1,422 mg NO x /km ...

  5. Volkswagen emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Volkswagen_emissions_scandal

    The 1.2 litre [154] and 2.0 litre diesel models will require only a software fix. [65] On the same day, Volkswagen announced it would overhaul its entire diesel strategy, saying that in Europe and North America it will switch "as soon as possible" to the use of selective catalytic reduction technology to improve diesel emissions.

  6. Diesel exhaust fluid - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust_fluid

    A 1.5-liter and a 10-liter AdBlue container Hino truck and its SCR next to the diesel particulate filter (DPF) with regeneration process by the late fuel injection to control exhaust temperature to burn off soot [1] [2] Passenger car using an AdBlue pump. Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue [3]) is a ...

  7. Catalytic converter - Wikipedia

    en.wikipedia.org/wiki/Catalytic_converter

    Catalytic converters remove only 20–40% of PM so particulates are cleaned up by a soot trap or diesel particulate filter (DPF). In the U.S., all on-road light, medium, and heavy-duty diesel-powered vehicles built after 1 January 2007, are subject to diesel particulate emission limits, and so are equipped with a 2-way catalytic converter and a ...

  8. Diesel exhaust - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust

    Diesel exhaust is the exhaust gas produced by a diesel engine, plus any contained particulates. Its composition may vary with the fuel type, rate of consumption or speed of engine operation (e.g., idling or at speed or under load), and whether the engine is in an on-road vehicle, farm vehicle, locomotive, marine vessel, or stationary generator ...

  9. NASCAR rules and regulations - Wikipedia

    en.wikipedia.org/wiki/NASCAR_rules_and_regulations

    Penalties will be a 10-40 point deduction, suspension for 1-3 races, plus a fine up to $75,000. L2 penalties involve more egregious infractions concerning tampering with the three "no man's land" technical areas of tires, engine and fuel, as well as single-supplier parts for Cup's Next Gen car. Major safety violations, the use of telemetry or ...