This matches the numbers i came up with from an argument on reddit[1]. I subtracted out the electricity spent producing gas in the US, which isn't as much as o

This matches the numbers i came up with from an argument on reddit[1]. I subtracted out the electricity spent producing gas in the US, which isn't as much as one would think. You can entirely ignore it if you want to compare the residential electric grid. Note that if you stick to residential, it's 6x all current residential usage if everyone drives teslas and charges once a day. [1] http://www.reddit.com/r/technology/comments/236uzj/toyota_confirms_fuel_cell_launch_for_2015_zero/cgulgu5 http://www.reddit.com/r/technology/comments/236uzj/toyota_co...