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Re: Read and weep
Generate the electricity onboard the vehicles using nanotechnology fuel cells that run from fat. In addition to being emission free, it would increase the MPG of other cars* and reduce the battery requirements. Fat is about 7 times as energy dense as hydrogen by volume and America already figured out how to generate fat at an increasing rate.
* Obesity contributes to 3 days of fuel usage every year.
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If America were to eliminate obesity, we would save as much fuel as if every American were to stop driving for three days every year.
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