PHEVs and hybrids are taking over the engine awards.

This Modest Engine Has A Fuel Saving Secret Weapon ...

of operation and age of the engine, the in-flight shutdown rate and depot cost are expected to increase even faster (Figure 4-4). There are serious issues other than fuel efficiency that need to be ...

Improving energy efficiency and reducing environmental impacts have become essential goals in today’s world. Finding ways to utilize waste heat for generating both power and cooling is a meaningful ...

2024: Enter the ram-rotor detonation engine (RRDE) concept Dr. Haocheng Wen and Prof. Bing Wang of Tsinghua University in Beijing, China, have conceptualized a revolutionary new type of engine they ...

This has been discussed before on Ars, such as at https://arstechnica.com/civis/threa...ost-efficient-heat-pump-in-the-world.1501605/, and https://arstechnica.com ...

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 ...

Most V8 fans accept the fact that choosing a vehicle with such an engine means higher gas bills and overall running costs. As addictive as a V8 roar is, boosted and/or hybridized six-cylinder ...

Daud Gonzalez is a lifelong car enthusiast and automotive writer with a specialty in modified and race-ready rides. He spends most of his time modifying his cars and ruining them in the process. He is ...

This study investigates the role of aluminum oxide nano-additives in enhancing the performance and reducing the environmental footprint of a B30 castor biodiesel blend in a compression ignition (CI) ...

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 prices of gasoline should serve as a wake-up call to all of us involved in public office, that we have got an energy security problem and a national security problem, and now is the time to deal ...