I don't know what impact it would have on the auto industry. I think they are able to meet those standards if they perhaps do some tinkering with engines and so on.
I think we should still aim to try to match either the California standards or even the U.S. federal standards, which are better than ours. If we wanted to do it as a staged approach, we could suggest the U.S. federal standards first, followed by California standards, as long as we move in the right direction.
The other thing that must go hand in hand with these individual standards for cars is some sort of mechanism to reduce the number of cars that we drive.