US charges Audi manager with conspiracy to cheat US emissions tests; sacrificing NOx control for a sound system
Green Car Congress
JULY 10, 2017
As part of the SCR technology, exhaust stream emissions were dosed with a mist of a urea substance, commonly known as “AdBlue,” which converted NO x into nitrogen, water, and small amounts of carbon dioxide. Williams of the Department of Justice’s Environment and Natural Resources Division, and Acting US Attorney Daniel L.
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