The Tuesday headline was clear: "Obama's new rules will transform U.S. auto fleet." The Associated Press picked it up from there: "Some soccer moms will have to give up hulking SUVs. Nearly everybody else will drive smaller cars, and more of them will run on electricity. The higher mileage and emissions standards set by the Obama administration on Tuesday, which begin to take effect in 2012 and are to be achieved by 2016, will transform the American car and truck fleet. "The new rules would bring new cars and trucks sold in the United States to an average of 35.5...