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  2. Exhaust gas recirculation - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas_recirculation

    The goal of EGR is thus to reduce NO x production by reducing the combustion temperatures. In modern diesel engines, the EGR gas is usually cooled with a heat exchanger to allow the introduction of a greater mass of recirculated gas. However, uncooled EGR designs do exist; these are often referred to as hot-gas recirculation (HGR).

  3. Diesel exhaust - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust

    [77] [full citation needed] In turbocharged engines, EGR needs a controlled pressure differential across the exhaust manifold and intake manifold, which can be met by such engineering as use of a variable geometry turbocharger, [citation needed] which has inlet guide vanes on the turbine to build exhaust backpressure in the exhaust manifold ...

  4. Cummins B Series engine - Wikipedia

    en.wikipedia.org/wiki/Cummins_B_Series_engine

    It is currently the largest straight-six engine produced for a light duty truck or school bus. It produces 350 hp (261 kW; 355 PS) and 650 lb⋅ft (881 N⋅m) in the 2007.5 and newer Dodge 2500/3500 pickup trucks with the Chrysler-built six-speed 68RFE automatic transmission built at the Kokomo Transmission plant in Kokomo, Indiana.

  5. Chrysler Pentastar engine - Wikipedia

    en.wikipedia.org/wiki/Chrysler_Pentastar_engine

    The Chrysler Pentastar engine family is a series of aluminium (die-cast cylinder block) dual overhead cam 24-valve gasoline V6 engines introduced for the 2011 model year in Chrysler, Dodge, and Jeep vehicles.

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  7. Ram pickup - Wikipedia

    en.wikipedia.org/wiki/Ram_pickup

    Both trucks came equipped with the same version of the Cummins 6.7 L (408 cu in) diesel as the 3500 chassis-cab model. Sterling, who worked with Dodge in development, had their own version, called the Sterling Bullet with a unique grille. Sterling is a division of Freightliner Trucks which, like Dodge, was owned by the former DaimlerChrysler ...

  8. Texas wants to buy surplus border wall parts but U.S ... - AOL

    www.aol.com/news/texas-wants-buy-surplus-border...

    Texas officials try to intercept sale of surplus border wall materials Patrick noted that Texas became aware of the materials slated for auction on Dec. 12, the same day the Daily Wire reported ...

  9. Apple's answer to getting people to watch TV+: a weekend freebie.

    www.aol.com/apples-answer-getting-people-watch...

    Apple is offering a free AppleTV+ trial from January 3 to January 5.. AppleTV+ is known for original content like "Ted Lasso" and "The Morning Show." It's reportedly cutting back on spending for ...