Powertools have run on air for decades, so why not cars? Quite right, french company MDI has designed the first compressed air engine. $2 worth of electricity will fill the car to last for just over 200 kilometers. Out of the exhaust comes clean, breathable air. The Air Car is the wider name for a number of models planned for production by MDI, including a 3-seat MiniCat due for 2008 and a 5-seat CityCat, among others. Their engines will either be dedicated compressed air ... Read More