In Brief

General Motors' latest hydrogen car prototype, called the Sequel, could be a glimpse of a possible, very different, automotive future, the New York Times reports. It runs on a hydrogen...

General Motors’ latest hydrogen car prototype, called the Sequel, could be a glimpse of a possible, very different, automotive future, the New York Times reports. It runs on a hydrogen fuel cell, so its only tailpipe emission is water vapor, not the smog-forming pollutants and greenhouse gases that come out of gasoline-powered cars.

GM says it will theoretically be able to mass-produce fuel cell vehicles affordably by 2010 – even though most competitors, which are also working on the technology, say it will be decades before such vehicles are viable.

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