President Obama said Wednesday that his Republican opponent Mitt Romney would rather travel by steam engine than in cars that would get much higher gas mileage under a rule enacted by his administration this week.

Romney has called the president’s proposal for an emission standard that would require cars to get 54.5 miles per gallon by 2025 “extreme.”

But in a campaign speech in Charlottesville, Va., a day after Republicans formally nominated Romney to be the GOP nominee this fall, Obama said it was the former Massachusetts governor’s position on the auto emission standards that were out of step.

Continue reading on