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World's largest EV never has to be recharged
(www.greencarreports.com)
This is a most excellent place for technology news and articles.
2017
At 50 tons and 700 kilowatt-hours, this truck is the biggest EV in the world Each round trip will generate 10kWh of spare electricity for the grid.
https://arstechnica.com/cars/2017/09/this-cement-quarry-dump-truck-will-be-the-worlds-biggest-electric-vehicle/