Support WBURAmid VW Scandal, Critics Want Access To Carmakers' Computer CodePlay03:22Download AudioBrian NaylorSeptember 29, 2015 ShareA Volkswagen Passat is tested for exhaust emissions, at a Ministry of Transport testing station in London. In the U.S., a 1998 copyright law prevents safety researchers from accessing the software that runs cars. (PA Photos/Landov)
