"WASHINGTON -- California and like-minded states are girding for a legal battle with the Trump administration on whether those states have gone too far in controlling greenhouse gases from automobiles, a prospective case that legal scholars say — barring a last-minute settlement — is sure to reach the U.S. Supreme Court.
The Environmental Protection Agency and other federal agencies are expected to announce, as soon as this week, a rollback of national fuel economy standards for vehicles. They could also revoke California’s ability to set its own, tougher, air pollution limits.