Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...

It's not hard to find very small mass-produced gasoline engines, but diesel is another story. Diesel engines are more expensive to manufacture, so a small-capacity diesel in a cheap car can push up ...

Illustration: Kelsea Petersen / The Athletic; Takashi Ayoma / Getty, Antonio Calanni / AP Formula 1’s car design revolution for 2026 is the biggest in a generation. Not only are the chassis designs ...

Zander Sutton has been writing about cars since high school, where he started his own automotive website, writing car (and the occasional airline) reviews and opinion pieces. Since then, he has grown ...

Modern engines face high failure rates, prompting massive recalls from major automakers. Downsizing, turbochargers, and thin oils increase engine stress and vulnerability to defects. Automakers need ...

How does a 106-year-old company built on diesel engines evolve to thrive in a decarbonized future? Jennifer Rumsey, SM ’98, the chair and CEO at Cummins, is leading the way to answer that question by ...

Daimler Truck executives signaled a renewed focus on diesel powertrains at the company’s Capital Market Day 2025. Senior leaders at the world’s biggest truck maker, including Daimler Truck North ...

When most people think of diesel engines, they often picture heavy-duty trucks and locomotives — or they might recall Volkswagen's Dieselgate scandal – but diesel power actually made its passenger car ...

Internal combustion engines are incredibly complicated machines that many of us interact with on a daily basis, but don't completely understand. You get in your car, turn the key or push the start ...

But the big reveal was the next generation of its more than 40-year-old B-Series power platform with a new 7.2-liter diesel engine for 2027—the same year that the Environmental Protection Agency’s ...

Nathaniel is an experienced automotive writer with more than 10 years of automotive writing under his belt. From model reviews to industry politics to new innovations and development, he covers a wide ...

Rolls-Royce said the new engines planned for the B-52 Stratofortress will go into more intensive altitude testing in early 2025, now that it has passed its critical design review. (Staff Sgt. Lauren ...