var addthis_pub="mastersairab Obama Announces 35.5MPG Average for 2016 and National Standard For Tailpipe Emissions .fullpost{display:inline;} The Obama administration today announced tougher fuel mileage standards and tailpipe emission limits forcing automakers to meet a fleetwide average of 35.5 miles per gallon (6.6lt/100km) by 2016, four years sooner than