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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.
You're using kWh instead of Joules in your comment. :P
Joules represent a very small amount of energy. We probably want kWh or kJ. Although, I think just places in the US already use kWh for electricity?