Wednesday 25 July 2012

Air Powered Cars: Just a Lot of Hot Air?

If you’ve ever been to an auto repair shop, you’ve heard the whine and pop of pneumatic wrenches powered by compressed air.  Now that same technology is being harnessed to propel car engines.

The push toward lowering our reliance on petroleum and reducing our carbon footprint has brought us innovations such as hybrid vehicles and plant-based fuels like ethanol and biodiesel.  But few of us would have ever dreamt that something as all-pervasive as the air we breathe could be harnessed to power our vehicles.

Researchers have to dream big to stay on ahead of the pack on the racecourse of innovation. They’ll tell you that anything and everything is up for grabs when it comes to finding new ways to reduce our dependence on oil and lowering auto emissions.  To that end, air powered cars have become a reality.

Compressed air was first used a century ago to power mining cars, but until now it hasn’t been seriously considered as an alternative fuel source for modern vehicles.  H...

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