Framegrab from a video of a long-duration hot fire of the Chi engine. Credit: Mega Engine HELSINKI — A new Chinese commercial rocket engine startup has conducted a successful long-duration hot fire ...

Converting the ignition of a fuel-air mixture into usable mechanical energy lies at the core of a dizzying number of internal combustion engines developed over the course of more than century.

Reports of the death of the internal combustion engine have been exaggerated. Electric vehicles were once poised to diminish the ubiquity of traditional engines, but automakers are booking huge losses ...

Volvo’s hydrogen-powered trucks are being developed to provide higher energy efficiency, lower fuel consumption and increased engine power compared to conventional hydrogen combustion engine ...

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...

BRUSSELS—The European Union proposed watering down rules that would have effectively banned the sale of new combustion-engine cars in the bloc from 2035, after heavy pressure from the automotive ...

The European Union is set to propose softening emissions rules for new cars, scrapping an effective ban on combustion engines following months of pressure from the automotive industry. The proposal ...

A proposal to revise an E.U. law requiring carmakers to stop producing combustion engines by 2035 would offer some relief to automakers, but it sets back the region’s climate goals. By Patricia Cohen ...

Plans to ban the sale of new combustion engine cars in the European Union by 2035 have been thrown into turmoil after pressure from car manufacturers. On Tuesday, the European Commission proposed ...

The European Commission will move to scrap plans for an effective ban on new combustion engine cars from 2035, a senior EU lawmaker said on Friday, in what would be a major victory for Germany, which ...

Dec 9 (Reuters) - Car buyers worldwide are returning to combustion engines as a result of policy reversals, trade wars and growing skepticism about EV infrastructure and costs, a report by ...