Analysis by Jesse Emspak
Discovery, Wed May 9, 2012 09:09 AM ET
This car runs on the ultimate emissions-free fuel: air.
In 2007, Mumbai, India-based Tata Motors signed a licensing deal with Motor Development International, a French design firm. The idea was to build a car that could run on compressed air. Now Tata says it has tested two cars with the engines. The next step is setting up the manufacturing plants to actually build them.