Technology often is more effective in testing than in real-world use.
"There is no explanation why this software was in this vehicle."
"Cars of the BMW Group are not being manipulated and are in line with the applicable legal requirements," BMW said in a statement.
It could cost billions of dollars.
EPA head Scott Pruitt was thought to be eliminating California's emissions waiver, but the Golden State's right to set its own mandates remains in place.
Marchionne says FCA did not intentionally "set up a defeat device that was even remotely similar to what (Volkswagen) had in their cars."
The report said the costs of renewable power will continue to fall.
"If EPA acts to weaken or delay the current standards for model years 2022-25, like California, we intend to vigorously pursue appropriate legal remedies to block such action."
Audi has already issued a recall for the same issue.
Trump has called global warming a hoax intended to weaken American industries.
Fix per vehicle could cost as little as $100.
And the cheating saved VW 1.5 billion euros it would've had to spend to comply with regulations.
The money will go to clean up existing gas engines and invest in future electric ones.
A 99 percent federal cut to the vehicle testing budget.
"The air in London is lethal and I will not stand by and do nothing."
Volkswagen, whose diesel-emissions scandal broke in September 2015, pleads guilty in a US District Court to obstruction of justice and conspiracy.
Volkswagen will spend $2 billion over five years to add charging stations across the US and establish a "Green City."