Ford's reputation as an engine manufacturer has been boosted by successes like the 427 cubic inch V8 that made history at the 24 Hours of Le Mans and the 5.0-liter Coyote V8 that is one of the best ...

Diesel engines, for all their rugged usefulness, can be tremendously polluting. They produce more NOx — nitrogen oxides-based emissions – than gasoline-fed cars, as well as more particulates, aka soot ...