Mazda: the new engine technologies Skyactiv Sky-D

After having talked about the new technologies that SkyActiv Mazda apply to gasoline Sky-G, we focus now on the Sky-D turbo-diesel engines and their technology. With 14,0:1, the new engine has the same compression ratio of gasoline: this makes the diesel with the lowest compression in the world. It is known that diesel engines do not require spark plugs: the fuel mixture injected turns itself at