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.

Engine timing isn’t just a mechanic’s obsession—it’s the heartbeat of your car’s performance and longevity. From smoother starts to preventing catastrophic damage, knowing when and how to check timing ...

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 ...

To celebrate fifty years of five cylinder engines, Audi has built the RS3 Competition Limited – its most focused hot hatch ...

In the Korean luxury marque's case, its debut nameplate was the G90, a large, flagship sedan that sits right at the top of ...

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

Franco-American aerospace company CFM—a joint venture between Safran Aircraft Engines and GE Aerospace—has moved ...

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

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

Electric vehicles lose some range in the winter — and, to a lesser degree, in the summer. But exactly how much? AAA has brand ...