Ford Engine Power, MPG Figures Tested Using Different Fuels
Green Car Reports
AUGUST 25, 2015
Most buyers likely assume that the conditions for rating a new car's fuel economy and engine performance are identical. For at least one carmaker--Ford--and possibly others as well, that turns out not to be the case: Different gasoline formulations are used to test gas mileage than are used for engine. It's all about the asterisk, it turns out.