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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.
E-bikes should be able to hit their top speed of 20 miles per hour fairly easily though. However, I think a 20 mi commute on an e-bike is pretty far, although it is still doable. Even on my 7 mile commute sometimes driving can take over an hour and a half.
That kind of distance, mass transit if available may be a better option.