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  2. Duramax V8 engine - Wikipedia

    en.wikipedia.org/wiki/Duramax_V8_engine

    The L5P Duramax is the latest version of the Duramax V8 diesel engine.(engine code Y). Introduced in the 2017 model year, it was the most powerful diesel engine GM had produced, with 445 hp (332 kW) at 2,800 rpm and 910 lb⋅ft (1,234 N⋅m) at 1,600 rpm.

  3. Diesel exhaust fluid - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust_fluid

    Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue [3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water .

  4. Exhaust gas - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas

    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 ...

  5. 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.

  6. Exhaust gas recirculation - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas_recirculation

    Exhaust gas—which consists largely of nitrogen, carbon dioxide, and water vapor—has a higher specific heat than air, so it still serves to lower peak combustion temperatures. However, adding EGR to a diesel reduces the specific heat ratio of the combustion gases in the power stroke. This reduces the amount of power that can be extracted by ...

  7. Buying a New Off-Road SUV or Truck? Find Its Invoice Price Here

    www.aol.com/buying-off-road-suv-truck-194600441.html

    The 3.0-liter Duramax diesel is offered for the first time with the Z71, so that's the one tested here. The muscular engine remains a high point of the Tahoe and Suburban family.