The car would be powered by a combination of compressed air and fuel . The compressed air car will get a chance to prove itself next year when it competes for the Automotive X Prize . A U.S. company is pledging to build the first models in the U.S. in last year . The mileage claim is `` at the edge of possibility , '' an engineering expert says . New York shows interest in the technology ; car to compete for the Automotive X Prize .
The car would be powered by a combination of compressed air and fuel . A U.S. company is pledging to build the first models in the U.S. in last year . The mileage claim is `` at the edge of possibility , '' an engineering expert says . New York shows interest in the technology ; car to compete for the Automotive X Prize .