Volkswagen Group's emissions scandal has gotten a lot bigger, as the Environmental Protection Agency and California regulators said the company admitted that its 3-liter V-6 diesel vehicles from the last seven years had violated clean-air standards. Now it includes all Volkswagen and Audi U.S. vehicles with 3-liter diesel engines from the 2009 to 2016 model years, the regulators said. That covers 85,000 vehicles in the U.S..