Most engines generate power from an internal combustion system. On the basic level, these engines work by compressing fuel and air into a tight space. Within the cylinders of an engine, pistons pump ...

The highest-revving diesel engine is Mazda's 2.2-liter SkyActiv-D engine, which makes peak power at 4,000 rpm and hits a ...

Blue Origin’s New Glenn rocket has reached a significant milestone in its journey towards space exploration. The rocket’s BE-4 engines successfully passed a critical test, marking a significant step ...

A new generation of space rockets is inching closer to launch. Private space company Astrobotic recently revealed it carried out a successful test of two of its rotating detonation rocket engines ...

Getting an engine compression test for your car is a bit like having your blood pressure taken. It sounds complicated without context, but it's a relatively straightforward and painless procedure that ...

For space fans, the past few days have been a cavalcade of awe and imagery as the Artemis II crew heads back to Earth after swinging around the moon. It's a significant accomplishment that saw the ...

The FIA have announced changes to Formula 1's power unit regulations, most notably surrounding compression ratio, which have caused controversy over the winter. When the 2026 power unit regulations ...

Formula 1’s governing body, the FIA, has unveiled a package of regulatory updates ahead of the 2026 season, responding to ongoing technical scrutiny over power units and broader efforts to refine race ...

AURORA, Colorado—Test engines meant to keep the B-52 Stratofortress in the skies through the bomber’s 100th birthday are expected to be delivered in 2027 after recent key performance evaluations, ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

The organization's announcement could finally bring a huge contention point regarding the 2026 regulations to a close if the rule change goes ahead. It has been a strange few weeks in the world of ...

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 ...