The simple, non-negotiable truth is this: when it comes to outright fuel efficiency, the diesel engine is, mechanically and ...

The search to replace the compression ignition, or diesel engine, has been going on for many years now, but so far with ...

Mazda is first with plans for a compression (diesel) engine that burns gas. The SkyActiv-X 2019 Mazda will get 20 to 30 percent better fuel economy than a gasoline ignition engine. Share on Facebook ...

It was definitely a fuel-sipper, but if you don't have time to do something right, you better have time to do it twice.

For hundreds of years of human history, the invention that has defined our ability to travel, explore, and expand our boundaries has been the combustion engine. This hallmark of mechanical development ...