Why your car gets different gas mileage than it's supposed to

MarketWatchWhy your car gets different gas mileage than it's supposed toMarketWatchSome car industry experts say the EPA testing guidelines, which are slated to go through an overhaul, don't speak to the full range of road conditions and the impact of everything from wind to hills to potholes on fuel efficiency. They also say the ...Audi and Skoda say 3.3m cars have 'cheat' emissions softwareBBC NewsVolkswagen's New CEO Says Car Maker Must Change Its Corporate CultureWall Street JournalVW Emissions Scandal Hovers Over German Car ShowNPRCar and Driver (blog) -Washington Post -CNNMoneyall 3,569 news articles »