Volkswagen shares plunge nearly 20 percent after the German carmaker admitted it had rigged emissions tests of diesel-powered vehicles in the United States, and U.S. authorities said they would widen their probe to other automakers.
Volkswagen shares plunge nearly 20 percent after the German carmaker admitted it had rigged emissions tests of diesel-powered vehicles in the United States, and U.S. authorities said they would widen their probe to other automakers.