Five things to know about VW's 'dieselgate' scandal
Volkswagen's emissions cheating scandal, over which ex Audi chief executive Rupert Stadler was charged Wednesday, has had major repercussions for the car industry since it broke four years ago. Here are key points about "dieselgate". - Exposed in 2015 - On September 18, 2015, the US Environmental Protection Agency (EPA) reported that VW had installed illegal "defeat devices" in hundr