Some more news on the compressed air car CAT
2009 Tata Air Car MiniCAT
"The Air Car,
called the MiniCAT could cost around Rs. 3,50,000 ($ 8177) in India and would have a range of around 300 km between refuels.
The cost of a refill would be about Rs. 85 ($ 2). Tata motors also plans to launch the world's cheapest car, Tata Nano priced famously at One lakh rupees by October."