WASHINGTON (AP) — The Trump administration says people would drive more and be exposed to increased risk if their cars get better gas mileage, an argument intended to justify freezing Obama-era toughening of fuel standards.

Transportation experts dispute the arguments, contained in a draft of the administration's proposals prepared this summer, excerpts of which were obtained by The Associated Press.

The excerpts also show the administration plans to challenge California's long-standing authority to enact its own, tougher pollution and fuel standards.

Revisions to the mileage requirements for...