Compressed air cars

Forget electric cars, this one runs on compressed air

India’s Tata Motors is pushing technology for compressed air to power cars forward with its project to build “Airpods” — zero-pollution, cute-as-a-bug smartcars that zip along at 40 m.p.h. via the magic of squeezed air, The Atlantic Cities reports.
They are built with pneumatic motors that use pressurized air to drive pistons.
The mid-sized model fits three passengers, although one must face [...]