September 15, 2004There is no other motor as efficient as the Di Pietro Rotary Air Engine. It is 100% more efficient than any other air powered engine built to date and its high torque makes it the ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

Angelo Di Pietro is an Italian engine designer who once worked for Mercedes Benz on their Wankel Rotary engine in 1969-1970, then migrated to Australia to pursue other interests, among them, as ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

Alina has been enthusiastic about vehicles her entire life, and even from an early age found herself itching to get behind the wheel. Through high school and college, she could be found reading ...

An Australian man has invented a vehicle powered by compressed air, although it’s not the world’s first, despite his claims (I’ve seen other prototypes before). However, the best part of Angelo Di ...

The hydraulic-driven IMT CAS80R rotary screw air compressor offers 33 percent more air output than the previous model—up to 80 cfm at 150 psi—at a similar price point. Increased hydraulic cooling ...