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1.8 Million Barrels of Oil a Day Avoided from Electric Vehicles
(cleantechnica.com)
This is a most excellent place for technology news and articles.
Assuming you could feasibly bike, it would probably still be environmentally better to use the bike, mostly because it is more energy efficient at moving a single human places because it doesn't have to move a whole car frame, and in most places a fair amount of power is still from fossil fuels, so less would be needed. Also the other benefits of biking.