Can stuck piston rings be restored without teardown? A 500,000-mile Valvoline engine test shows how deposit removal may ...

Toyota recommends 87 octane for the 2025 Prius, but one owner hit 61.1 MPG using 91 premium. We analyze Jason Black’s ...

Volvo's wallflower engine family deserves your attention.

I am looking at a 2015 Hyundai Elantra that has only done 55,000km and I’m thinking of purchasing it. But when the car has run, even for a little bit, when I take the oil cap off there is white steam ...

An engine's displacement dictates power output based on the bore and stroke, while compression ratio influences how strong ...

Rolls-Royce and easyJet have completed ground testing of a modified Pearl 15 engine running on 100% hydrogen at full takeoff ...

The Critical Design Review of the CERP program paves the way for the modification of two B-52 bombers with the new engines, with work on the first bomber starting later this year. The U.S. Air Force ...

Rotating detonation rocket engines work differently than traditional rockets to maximize thrust while using less fuel—an ...

CAPE CANAVERAL, Fla. — Despite poor weather pushing back the time of its booster engine flight readiness firing (FRF) test, United Launch Alliance was able to complete the test of the company’s Vulcan ...

The Fleet Decarbonization Lab analyzed three areas, tires and retreads, renewable diesel, and route optimization.

The Brickyard seems to be doubling as a wildlife sanctuary during Indianapolis 500 testing. One day after French driver ...

Welcome back to the Daily Aviation for a feature on the engine maintenance of the F-18 on the constraint space of the hangar ...