American authorities have found three unapproved software programmes in 3.0 litre diesel engines made by Volkswagen, reports German weekly Bild am Sonntag. The software allowed the turbocharged direct injection engines used in Audi's Q7, Porsche's Cayenne and VW's Touareg models to shut down emissions control systems after about 22 minutes, and tests to measure emissions usually last about 20 … [Read more...]