U.S. files VW settlement, details buybacks

By David Shepardson and Joel Schectman WASHINGTON (Reuters) - German automaker Volkswagen AG has agreed to pay more than $15.3 billion (11.4 billion pounds) in a settlement with U.S. regulators over pollution caused by its diesel vehicles, according to a source briefed on the matter. The settlement stems from VW's admission in September that it intentionally misled regulators by installing secret software that allowed U.S. vehicles to emit up to 40 times legally allowable pollution. The Justice