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 ...

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 ...

An overheating car engine should be a cause for worry. A mechanic will have you know that driving a car with an overheated engine can destroy the engine block or internal parts. It is usual for a ...

[Stay on top of transportation news: Get TTNews in your inbox.] Advanced researchers and engine makers say the internal combustion engine’s ability to be more efficient and run on greener fuels means ...

As a diesel owner, I know the hectic heartbreak of trying to keep such an unpopular drivetrain up and running in the U.S. Most people think of big semi trucks when they think of diesel, or they think ...

Raytheon Technologies has successfully completed its first engine run of the company's regional hybrid-electric flight demonstrator, marking a key milestone towards flight testing, targeted to begin ...

Heat is a byproduct of combustion. Both air-cooled and water-cooled engines need to dissipate that heat to keep the engine from running too hot. Can piston rings play a role in managing that heat?

This story appears in the June 29 print edition of Transport Topics. Over-the-highway trucks and buses with 2007 engine technology ran nearly 90% cleaner than required by federal emission standards ...