Even as turbofan engines become quieter thanks to larger, slower-turning fans, the fan remains a source of noise that is difficult overcome. Now researchers in Germany have shown that fan noise can be ...

My love affair with compressed air started a number of years ago when I got an entry level oil-less air compressor for Christmas. Looking like a bloated red fire hydrant lying on its side, it made a ...

Cars that run on compressed air sound like a fantastic idea on paper, but bringing this technology to the masses has proven, well, a difficult road to travel. There's some positive news on the air-car ...

December 2, 2004 French engineers have designed a low consumption and low pollution engine for urban motoring that runs on compressed air technology. The CATS (Compressed Air Technology System) "air ...