Mazda didn't say so specifically, but it appears the problems with its Skyactiv-D clean-diesel engine stem from the company's attempts to skirt the costs and complexities of the kind of ...

Car companies are taking several different directions towards making their cars of the future more efficient. Some are going down the hybrid route, using electric motors to assist and occasionally ...

The world is changing, and drivers have found their attitudes changing somewhat, too. Perhaps you weren't very conscious of how much gas you were using but are leaning towards more environmentally ...

Electric cars may get a lot of attention, but internal-combustion engines will probably stick around for a long time. To meet tougher global emissions standards, automakers are resorting to ...

Add Yahoo as a preferred source to see more of our stories on Google. Japanese automakers Mazda and Toyota, among other brands, have been working hard on furthering efficiency without sacrificing ...