Volkswagen's U.S. diesel emissions settlement to cost $15 billion - source

By David Shepardson WASHINGTON (Reuters) - Volkswagen AG's settlement with nearly 500,000 U.S. diesel owners and government regulators over polluting vehicles is valued at more than $15 billion (11.39 billion pounds) cash, a source briefed on the matter said on Monday. The settlement, to be announced on Tuesday in Washington, includes $10.03 billion to offer buybacks to owners of about 475,000 polluting vehicles and nearly $5 billion in funds to offset excess diesel emissions and boost zero emis