A compact rocket engine that uses a continuously rotating detonation wave has attracted $91 million in fresh funding.

Everett firefighters extinguished an early morning duplex fire this morning in the 2300 block of Howard Avenue. Twelve ...

Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start this engine and took some time to fully complete it. #shorts #diy #asmr #re ...

View post: East Germany’s Automotive Industry Was A Different World When it comes to engines, the Wankel rotary is one of the lightest and smallest there is, not to mention it’s simpler than a ...

Jack Hubbell is a European based writer and automotive enthusiast who joined the HotCars team in 2024. Jack has been building cars and motorcycles since a young age and was a member of the SCCA from ...

The Rotary Jail Museum in Crawfordsville was the first-of-its-kind in the country. It was built in 1881 and is now the only rotating jail left in the world. Charlene Cristobal reports. The Rotary Jail ...

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 ...

Rebuilding a race engine isn’t easy, but Mazda Motorsports has it even tougher with a rebuild of one of the most legendary race car engines ever made. The Mazda 787 was the first Japanese and ...

There are multiple hurdles to clear when performing a restoration or mechanical refresh on a car. To restore a popular vehicle that has lots of parts and support available may not be the LEGO kit some ...

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...

AI data centers face grid delays and turbine shortages, pushing developers toward gas reciprocating engines for fast, scalable gigawatt power. The grid can’t supply the power AI factories demand. Gas ...