Associated Press: The Obama administration plans to raise fuel efficiency standards by 2 miles per gallon to 27.3 mpg for new cars and trucks in the 2011 model year, marking the first increase in passenger car standards in more than two decades. Under the changes, which are slightly less stringent than those proposed by the Bush administration, new passenger cars will need to meet 30.2 mpg for the 2011 model year and pickup trucks, sport utility vehicles, and minivans will need to reach 24.1 mpg, an …