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

The future USS Patrick Gallagher has begun sea trials off Maine, marking the final verification stage before U.S. Navy ...

Volvo's Modular engine officially entered production at the beginning of the 1990s, but its roots stretch much further back ...

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 ...

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 ...

What is it doing designing a Dedicated Hybrid Engine (DHE) powertrain? Well, it’s heavily vested in keeping combustion ...

How can you tell it's time for a compression test? Common signs include rough starts, unstable idling, and increased oil ...

For space fans, the past few days have been a cavalcade of awe and imagery as the Artemis II crew heads back to Earth after swinging around the moon. It's a significant accomplishment that saw the ...

Infiniti's new VC-T is groundbreaking in that it now offers an engine with a variable compression ratio, meaning it can be driven with fuel economy or horsepower in mind, giving the driver the option.

SEOUL, South Korea (AP) — North Korean leader Kim Jong Un observed a test of an upgraded solid-fuel engine for weapons capable of reaching the U.S. mainland, and called it a significant development ...