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The Cadillac Provoq Fuel Cell Concept
GM claims to be committed to displacing petroleum as soon as possible, and they seem to be backing it up. Looking at the newly-unveiled Provoq fuel cell concept, you have to think Cadillac is near the cutting edge of green technology. This vehicle uses the lauded E-Flex propulsion system used on the Chevy Volt, but combines it with a fuel cell system and a lithium-ion battery to yield a vehicle that creates no emissions.
