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

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 ...

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

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 ...

The go-to aircraft when it comes to ridiculing Second World War German aircraft design, the Bv 141 was an extremely efficient ...

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

The European Union (EU) is to support research and technology efforts on the development of small turbofan engines for ...

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 ...

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

Park Aerospace Corp. (NYSE - PKE) announced that it plans to release its financial results for its 2026 fiscal year third ...

The week of December 14–20 is surprisingly rich with moments that shaped the automobile industry, motorsport culture, environmental policy, and even the way cars are portrayed in film. From the ...

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