Modern engines deliver more power from less metal, sip less fuel, and meet emissions rules that would have seemed impossible ...

Hybrid engines aren't the only way to improve fuel efficiency. Scuderi Group unveiled a cutaway of its Scuderi Split-Cycle Engine prototype at the Society of Automotive Engineers (SAE) 2009 World ...

From sedans to SUVs, Honda uses turbocharged engines in some trims of many of its passenger vehicles. Most, like the Accord, Civic Si, and CR-V use various iterations of the 1.5-liter inline four ...

Delphi is developing an engine fuel injection technology that could improve the fuel economy of gas-powered cars by 50 percent, potentially rivalling the performance of hybrid vehicles at less cost.

Mary Barra says GM remains committed to efficiency and EVs, even as relaxed U.S. standards shift incentives ...

A new fuel-blending method appears to make diesel engines cleaner and more efficient at the same time. Early results point to ...

February 6, 2009 Automotive technology specialist Ricardo has revealed the development of technology that optimizes ethanol-fuelled engines to a level of performance that exceeds gasoline engine ...

A new generation of engines being developed by the world’s largest jet engine maker, CFM (a partnership between GE and Snecma of France), will allow aircraft to use about 15 percent less fuel—enough ...

One famous limit of thermodynamics is that heat engines, like steam engines and internal combustion engines, must be less efficient than a Carnot heat engine (a heat engine cycle designed by French ...

There’s no escaping the fact that modern engines are failing at alarming rates. Toyota, Honda, and General Motors have all ...