A U.S. grand jury has charged Martin Winterkorn, VW's former CEO and five other ex-executives on felony charges of conspiracy. In 2015, VW admitted installing cheat devices in its diesel vehicles.
Dramatic photos show thousands of the cars awaiting their fate. Volkswagen says it has paid more than $7.4 billion to buy back diesel cars in the U.S.
Oliver Schmidt admitted to conspiring to defraud the United States by misleading federal regulators about the emissions of diesel cars and violating clean air laws.
"We are seeing a revolution in terms of mobility and on the issue of climate," said the city's deputy mayor. "We can't wait."
Half of all cars in Europe run on diesel, compared to 3 percent in the U.S. But Madrid has vowed to ban diesel vehicles by 2025, to cut air pollution. Paris and Athens have made similar pledges.
As resale prices drop, the emissions cheating scandal costs customers who want to sell their Volkswagen diesels. "I think it's a tainted product now," says analyst Dave Galvin.