Ford Engine Power, MPG Figures Tested Using Different Fuels

2016 Lincoln MKX, 2015 Detroit Auto Show

It’s all about the asterisk, it turns out. 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… …read more