A toy car powered by a hydrogen fuel cell may be the catalyst needed to make it fun to think about future energy sources. The car demonstrates tangible, understandable solutions to energy needs. More…

It’s the college student at the park who ran her car for a half hour while she sat inside talking on her cell phone. It’s the group of law-enforcement officers who left their Expedition running while they went in and ordered lunch at Sonny’s. More…

LONDON — Ford Motor Co. will invest 1 billion pounds ($1.84 billion) in Britain within six years to develop hybrid cars, a senior executive said Monday. More…

As car buyers search for more fuel-efficient alternatives, interest in plug-in hybrids is increasing. More…