Mazda to launch homogeneous-charge compression engine next year

2017 Mazda CX-5The differences between gasoline and diesel engines lie not only in their fuels, but in how those fuels are ignited. Gasoline engines use spark plugs, while diesels simply use compression. But it is possible to ignite gasoline in an internal-combustion engine with compression, as in a diesel. DON'T MISS: Mazda diesel to arrive fall 2017 in new...