Top U.S. Volkswagen Exec Admits He Knew About Rigged Emissions Technology for 18 Months By Notable Life By Notable LifeView Author|October 8, 2015|Business,View Business IndustryView Industry Honestly, at this point we'd be more surprised if one of Volkswagen's top execs didn't know about the rigged technology installed in over 10 million diesel vehicles to make them appear a lot cleaner than they really were. Yet news today that... View this article.