I came across the news video report below on the BBC News web site (International Edition) that describes a French car that uses compressed air to drive the engine:
http://www.bbc.co.uk/mediaselector/check/player/nol/newsid_7170000/newsid_7171000?redirect=7171043.stm&news=1&nbwm=1&nbram=1&bbwm=1&bbram=1&asb=1 I presume that the fact that this is on the Int'l Edition explains why all the info about the vehicle is in metric, including the top speed (since all speed limits in the UK are still in Imperial only). Still, it was fun to see the metric (and to learn about the car!) Ezra
