Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...

Sleeving is more expensive than boring an engine block, but especially for aluminum blocks, sleeves may be better able to ...

Even before the 2026 calendar year has begun, the first controversy under F1's new ruleset has already surfaced. It concerns the engine regulations, and more specifically the compression ratio of the ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio engine which will ever be used in a production vehicle. The compression ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

It has been reported that rival manufacturers, including Ferrari and Audi, have raised concerns over the potential advantage enjoyed by Mercedes and Red Bull under the upcoming regulations. The ...

Questions over a key 2026 engine rule have prompted rival teams to seek FIA clarification, placing Mercedes and Red Bull under closer scrutiny. Ferrari, Audi, and Honda urge FIA to clarify 2026 F1 ...

Buick's Nailhead V8 didn't have nails in its engine, and the nickname doesn't mean it "hit the nail on the head." Here's how ...

International is marching ahead with updates to its S13 Integrated Powertrain to meet federal emissions regulations expected ...

There’s still another couple of months before the 2026 crop of F1 cars takes to the track for the first preseason test. It’s a year of big change for the sport, which is adopting new power unit rules ...

The 2026 F1 season hasn't started yet, but there's already a major controversy brewing surrounding engines in cars being ...

Formula 1’s new 2026 power units will debut at the Circuit de Catalunya in just over five weeks’ time, but questions over a grey area of the new regulations have already come to light. German outlet ...