You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

(PhysOrg.com) -- Split-cycle engines have been around for some time but until now have never matched the fuel efficiency of traditional internal combustion engines. That is about to change, with the ...

For more than 100 years, the internal combustion engine (ICE) has been the mechanism of choice for vehicles of all shapes and sizes. Across all configurations, the principle is the same: a mix of fuel ...

Horse Powertrain, a joint venture between Renault, Geely, and Aramco, has unveiled an innovative hybrid engine that promises to push the boundaries of fuel efficiency.