Piston rings are small engine parts with a big job. They seal combustion pressure, control oil on the cylinder wall, help ...

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...

Nissan’s third-gen hybrid system rethinks combustion by using the gas engine as a generator while electric power drives the ...

Forbes contributors publish independent expert analyses and insights. I am a professor at Cal State LA and the technical director for the Hydrogen Research and Fueling Facility. We go for better ...