Renewable natural gas

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Paid by the ounce? New fuel? 'Renewable natural gas'?

Power to the poop: one Colorado city is using human waste to run its vehicles: Sat 16 Jan 2016 12.00 GMT Last modified on Wed 14 Feb 2018

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Renewable natural gas

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Human poop, however, is not the only waste that produces RNG. Other renewable resources like landfills, food waste and animal manure can also be used. Regardless of the source and use, greenhouse gas emissions decrease when fossil fuels (like natural gas) are replaced by RNG, says the Environmental Protection Agency (EPA). As well, methane from rotting waste that otherwise would have been absorbed into the atmosphere is now used as a renewable energy source.