After decades of usage, Mazda discontinued the rotary engine in 2012. Now, many people are wondering if the company has plans ...

WASHINGTON – LiquidPiston, supported by Army innovation programs, is poised to transform the U.S. Army’s capabilities as the ...

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 ...