article thumbnail

EPA and California ARB charge Volkswagen with using software defeat device to circumvent NOx testing in 4-cylinder 2.0L diesels

Green Car Congress

EPA has issued a notice of violation (NOV) of the Clean Air Act (CAA) to Volkswagen AG, Audi AG, and Volkswagen Group of America, Inc. liter, four-cylinder diesels include software (a “defeat device”) that circumvents EPA emissions standards for NO x. EPA call this software “the switch”. —EPA NOV.

EPA 150
article thumbnail

Volkswagen of America temporarily withdraws application for US certification of MY 2016 vehicles; AECDs

Green Car Congress

AECDs are allowed by the EPA, but they must be disclosed. EPA defines an AECD as “ any element of design that senses temperature, motive speed, engine RPM, transmission gear, or any other parameter for the purpose of activating, modulating, delaying, or deactivating the operation of any part of the emission-control system. ”.

2016 150
article thumbnail

Gas War: 25 States Sue EPA Over Updated Emissions Regulations

The Truth About Cars

Over two dozen states have joined forces to sue the Environmental Protection Agency (EPA) over proposed vehicle emissions regulations put forward by the Biden administration in March. & This time, it’s a group of Republican attorneys general with Kentucky and West Virginia at the helm coming after the Biden administration.&

EPA 96