The EU’s Clean Aviation body has provided more detail on the two new narrowbody engine concepts it plans to fund in its second phase, readying them for service entry around 2035. In December, Clean ...

The Stoke Space rocket engine test lights up a vertical test stand in Moses Lake, Wash. (Stoke Space Photo) Stoke Space successfully hotfired its first-stage rocket engine on a new vertical test stand ...

Hydrogen technologies and a hybridised narrowbody engine are likely to be included in Clean Aviation’s next call for proposals, due to be released in early 2026, although whether flight testing will ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

We may receive a commission on purchases made from links. The engine bay under the hood is one of the dirtiest parts of a daily-driven car. But it's also one of the most neglected places to clean.

Carbon buildup can cause a loss of engine performance, usually happening on high-mile engines that have plenty of sticky deposits after decades of running. A popular trick dating back to the hot ...

Rolls-Royce says it's finished building the first demonstrator for its massive UltraFan engine, which will eventually hit the skies in airliners to be developed in the 2030s. Testing begins soon, with ...

We may receive a commission on purchases made from links. Our cars depend on many individual mechanical parts and systems, as well as a host of electrical sensors and computers to carry us to and from ...

Even if you regularly clean the interior and exterior of your vehicle, there is a good chance that you do not clean your engine. Many people don’t attempt to clean their engine bay because the dirt ...

Nigel first entered the world of automotive journalism in the mid-80s, working for what was then the “bible” of weekly automotive content - Motoring News. Those were the days of tip-tap typewriters, ...

Engine bays are easy to ignore for many people. If you're not a mechanic, and you don't perform your own maintenance or repair work, you may never pop the hood to see the dirt and grime lurking ...