The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

Chinese firm Dongan Auto revives the Wankel engine, developing a lightweight prototype aimed at next-gen aerial mobility ...

The Van Veen OCR1000 was a rotary-powered engineering flex and one of the rarest motorcycles ever made. And now, it can be ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both ...

Part two of the Quest for Power series breaks down rotary and radial engines, why circular layouts solved cooling and reliability, and why they also came with nasty tradeoffs. From WWI rotaries to ...

One of just 38 Van Veen OCR1000s ever built, this unrestored unicorn might be the rarest road bike to head to auction in 2026 ...

Long before Felix Wankel became synonymous with rotary engines, an inventive Hungarian-American engineer named Stephen M. Balzer secured one of the earliest patents for a rotary-powered automobile on ...

Once left behind due to high fuel consumption and fragile reliability, the rotary engine, long championed by Mazda, is making ...

These cars from the 90s may not have the latest technology, but they can sure can fetch a pretty penny in today's market.

Parnassus Investments, an investment management company, released the “Parnassus Mid Cap Fund” third-quarter 2025 investor ...

I attended my last major event of 2025, and, of course, it was about cars. They were tiny ones, but there's just as much joy ...

Congress won’t fund the Army’s plans to outsource training for new helicopter pilots until it sees the results of a trial ...