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

Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is ...

A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

If you drive a diesel car or truck, you've probably bumped into the term biodiesel. Like most owners, you probably first saw the term biodiesel on the pump (as a mix for ultra-low-sulfur diesel) – and ...

Rolls-Royce hits another milestone on the way to green aviation. Together with British airliner easyJet, it has accomplished the first successful ground test of a modern aircraft engine powered by ...

Wärtsilä and WEC Energy Group announced the successful test of a commercially operating Wärtsila engine running on a 25% hydrogen blend. Testing was completed in October 2022 at WEC’s 55 MW A.J. Mihm ...

We all know diesel engines produce Earth-moving torque to outclass gas engines in pulling power and heavy-duty workloads. We also know that diesels could outlive a similar gas engine, given proper ...