Could folks in India be driving a car that runs on compressed air within a year? French engineer Guy Negre says it will be so. Tata Motors has backed his invention: a five-seater called the OneCAT, which would produce no emissions and cost around $5,000. “The first buyers [of the car] will be people who care about the environment,” says Negre, who hopes that investors around the world will set up factories to build the car using local materials, cutting down on shipping emissions. “I really hope he succeeds,” says Terry Spall from the U.K. Institution of Mechanical Engineers. “It is a really brave experiment in producing a sustainable car.”

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