Geely now holds a Guinness World Record for thermal efficiency, with its new i-HEV system rated at 48.4%, according to a ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

A fast-rising name in the hybrid vehicle market, Horse Powertrain has spent the past three years transitioning into one of the world's leading engine manufacturers while developing a portfolio of ...

A study published in Physical Review Letters (PRL) details a "Gambling Carnot Engine" that researchers report can attain 100% efficiency while also improving power generation. The researchers present ...

The committee has looked at a number of potential engine modifications as well as concepts for re-engining of current aircraft. In general, at 2006 fuel prices, it was difficult to recommend any ...

The average passenger vehicle emits 4.6 metric tons of carbon dioxide per year, and while emissions for hybrids are harder to calculate, they and EVs are the answer to cutting down on overall ...

The days of internal combustion engines are numbered. Unfortunately, the exact number is constantly shifting, with regulators moving the goalposts so often that manufacturers are left scrambling to ...

HEMI engines have built an enduring legacy as some of the most iconic and powerful American V8s of all time. They were first used in cars in 1951 when Chrysler introduced the FirePower V8 in the likes ...

View post: DeWalt's Wet and Dry Shop Vacuum Has 'Plenty of Power' — And It's 56% Off at Amazon Modern engines face high failure rates, prompting massive recalls from major automakers. Downsizing, ...

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...

When a person thinks of fuel efficiency, pickup trucks are rarely top of mind. Usually, the role of the fuel-efficient people-hauler goes to sedans and hybrid or EV crossovers. However, pickup trucks ...