Theres community buses at my campus have a VERY large print along the side that say. “Powered by clean natural gas”. What does that mean. Isnt all gas natural?
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If you’re in USA it’s most likely the buses run solely on bioethanol or biodiesel – the fuel originates from agriculture instead of fossil fuels. It’s deemed clean as the plants took CO2 from the atmosphere (recently) to grow and that CO2 is just being returned to where it came from.
We don’t use methane (what we normally call natural gas) for vehicles as it’s too expensive relative to fuel from crops or oil.
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