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The world's 280 million electric bikes and mopeds are cutting demand for oil far more than electric cars
(theconversation.com)
This is a most excellent place for technology news and articles.
This is a weird definition they're using, and it doesn't encompass the whole box. An electric vehicle might be more efficient on a distance per unit energy basis, but it's less efficient on a total energy basis because we lose some of the energy in the electrification.