volkswagen scandal

The embattled German automaker might have another big, expensive problem on its hands.
"I will be very open: this won't be painless," the new CEO said.
The cars were outfitted with software that let them cheat on U.S. emissions tests.
"We won't tell them what these tests are -- they don't need to know."
Porsche chief Matthias Müller is the new man in charge.