Excerpted from today’s New York Times:

But officials said that it was unclear if at the end of that process Mr. Bush would take it upon himself to raise the gas mileage of the nation’s automobiles, which has not significantly increased in decades. And Mr. Bush, speaking in the Rose Garden on Monday afternoon, said nothing would be put into effect until the regulatory process was completed at the end of 2008, just weeks before the end of his term.