The Rotary Air Engine (Di Pietro motor)

The Di Pietro motor concept is based on a rotary piston. Different from existing rotary engines, the Di Pietro motor uses a simple cylindrical...

Air Powered Motors: Small as Watermelons, More Efficient than Diesel

If you watch The Green Optimistic you already know that we covered air cars in previous posts, both MDI CAT's and the Angelo DiPietro air motor. The first time we wrote about these inventions was about 6 months ago. Now, MDI and Angelo DiPietro have contracts all over the world with auto makers to sell them the compressed air technology so automakers do what they do best: cars.

Engineair's Ultra-Efficient Compressed Air Motor

Elegant minimalist design eliminates most of the working parts traditionally associated with internal combustion engine; offers nearly 100% energy efficiency for a variety of...

AirPod: Powered by Compressed Air, Greener than Electrics, Ready for Sale

Can you remember MDI Cat? They're the company who designed an engine powered completely by compressed air a few years ago. It looks like they gathered funding from a Tata Motors venture and are now developing a new and more efficient vehicle: the AirPod.

DIY Tesla Turbine From a Hard Disk

Disks At first I tried using CDs because of their large surface areas, but they didn't hold up too well under the milling machine. I...

MDI Cat’s Air Engines Unveiled

MDI has developed a high performance compressed air technology. When it is compared to traditional gasoline powered engines, MDI´s engine is far superior in...

Tata Motors to Launch Mini CAT Compressed Air Car in August

Although it will come in the standard offer without a radio, Tata Motors' latest car, the Mini CAT, will be powered by air pressure...

AIRPod – Zero-Emission Compressed Air Car, On Sale This Year

AIRpod, the small and compact vehicle that runs entirely on cheap compressed air, hits the market by the end of 2015. The ever-so-anticipated moment when...

OneCAT – the car that runs on air!

Remember an older article about a small company, called MDI, who had a plan in building a car that runs totally on air? Now...

Solar Tower – Produce Energy Using Air Turbines

SolarMission owns the license to breakthrough Solar Tower large-scale renewable energy technology with the potential to challenge the energy industry as it is operates...