3 ms·

And don't forget ethanol, probably the least efficient form of energy ever discovered

• usrnm 2mo ago
  What are you talking about, it powers a lot of people I know
  • ghtbircshotbe 2mo ago
    Does it do it efficiently though?
    • rob74 2mo ago
      It saves energy by making them feel warmer in the winter. If they overdo it and freeze to death, it saves even more energy.
      • qingcharles 2mo ago
        It's an anti-freeze. Ask the people that survived the Titanic in the water :)
• JohnTHaller 2mo ago
  And is a horrible use of land compared to solar.