Range seems to be the new currency for efficiency, probably because it represents a less theoretical approach to how often you have to fuel up. Whereas mpg represents a broad idea of how far your ...

Organizers want the July 4 fireworks in the nation’s capital to break the world record. But the fun will also come with air pollution and possibly headaches for pet owners and zoo keepers. By Quinn ...

A DTNA DEF software update aligns Detroit engines with EPA guidance, raising final inducement speed and covering 330,000 ...

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