Original sentence: In September 2015, Volkswagen AG's diesel vehicles failed a U.The emissions violations includes cars produced by Volkswagen's American division, where Horn is currently CEO
Edited sentence: In September 2015, Volkswagen AG's diesel vehicles failed a  U.The scandal includes Volkswage's American company of which Horn is currently CEO.Volkswagen's involvement includes 11 million diesel vehicles, including hundreds of thousands in the UK and five hundred thousand in the U