The combination of Mazda CEO's rotary R&D announcement plus the gorgeous rotary concept add up to a new 350 hp-plus sports ...

Through the history of internal combustion engines, there has been plenty of evolution, but few revolutions. Talk of radically different designs always leads to a single name – Wankel.

Both rotary engines and piston engines utilize internal combustion and share the same phases of intake, compression, power, ...

We all know about opinions – everyone’s got one etcetera – but there’s perhaps nothing quite as divisive in the automotive world as the rotary engine. Aficionados will wax lyrical about ...

This development group has the hard task of trying to make the rotary stack up to modern internal combustion engines in terms of emissions and fuel-economy standards. Neither factor were ever ...

That means the next-generation rotary will likely feature reduced internal friction and lightweight internals in a quest to reduce emissions and increase fuel economy. But the engine may find ...

Appl Therm Eng 2014; 73: 1066–1075. 10. Wang W, Zuo Z and Liu J. Miniaturization limitations of rotary internal combustion engines. Energ Convers Manage 2016; 112: 101–114. 11. Shi B, Yu H and Zhang J ...

The iconic rotary car engine, thought to have been consigned to the dustbin of impractical technology, is making a comeback in Japan from the very automaker that introduced the system as far back ...