Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

WinGD claims the VCR technology can deliver up to 25% fuel savings and 33% lower methane slip, depending on fuel and engine load.

Reports of Mercedes and Red Bull finding the compression ratio loophole came out earlier in December, followed by the team ...

Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...