2018数模美赛资料思路共享，chargingusedbymanyTeslaownerswhohaveapersonalgarageoradrivewaywithpower.IsTeslaontracktoallowacompleteswitchtoall-electricintheUS?Ifeveryoneswitchedtoall-electricpersonalpassengervehiclesintheUS,howmanychargingstationswouldbeneeded,andhowshouldtheybedistributedb