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US files civil complaint against Volkswagen, Audi and Porsche for alleged Clean Air Act violations

Green Car Congress

The US Department of Justice, on behalf of the US Environmental Protection Agency, has filed a civil complaint in federal court in Detroit, Michigan against Volkswagen AG, Audi AG, Volkswagen Group of America, Inc., Volkswagen Group of America Chattanooga Operations, LLC, Porsche AG, and Porsche Cars North America, Inc.

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US charges Audi manager with conspiracy to cheat US emissions tests; sacrificing NOx control for a sound system

Green Car Congress

liter diesel engine was ultimately placed in certain VW, Audi, and Porsche diesel vehicles sold in the United States for MY 09 through MY 16. The initial SCR design required a certain amount of AdBlue be stored onboard the vehicle to reduce NO x emissions to legal limits and reach a 10,000 mile service interval for refilling.

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U-M study finds current CAFE standards create profit incentive for larger vehicles

Green Car Congress

The current vehicle footprint-based Corporate Average Fuel Economy (CAFE) standards create a financial incentive for automakers to increase vehicle size, except under certain limited conditions of consumer preference for vehicle size, according to a study by University of Michigan researchers Kate Whitefoot and Steven Skerlos.

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