Report suggests automakers besides VW cheated emissions too

Now that Volkswagen has admitted to cheating U.S. emissions testing on its four-cylinder TDI diesel engines, some reports are beginning to scrutinize and question the real-world diesel emissions of other European car brands.

Until this point, it's been believed that cars fitted with "urea treatment" systems, an emissions-cutting additive, including those from the Volkswagen Group, would not be implicated in the scandal, as the technology is believed to reliably cut tailpipe emissions in diesel cars. It was this technology critically missing from the VW models fitted with "defeat devices." Read more...