It has been nearly two years since Volkswagen came clean and admitted its "clean diesel" engines were actually quite dirty. In 2015, a VW engineer admitted the TDI diesel cars sold in the U.S. since 2009 were outfitted with "defeat device" software that let them pass emission tests, only to emit far more nitrogen oxides in real-world use. Two... Audi diesel: another shoe drops as top VW Group execs implicated
It has been nearly two years since Volkswagen came clean and admitted its "clean diesel" engines were actually quite dirty. In 2015, a VW engineer admitted the TDI diesel cars sold in the U.S. since 2009 were outfitted with "defeat device" software that let them pass emission tests, only to emit far more nitrogen oxides in real-world use. Two...