Electric vehicles, in particular, necessitate important changes to vehicles and will impose a potential impact on the electricity supply infrastructure when connected to the grid for recharging.

尤其是电动车，需要做些重大改变，并在连接到电网进行再次充电时，对未来电子供应设备产生影响。

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An executive from another utility, Ameren Illinois, agreed with McMahan Monday at a panel on electric vehicles at the Great Lakes Symposium on Smart Grid at the Illinois Institute of Technology.

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Neither GM nor Toyota is developing an exclusively electric vehicle, but both are scrambling to develop vehicles that run for long stretches on electricity sucked from the grid, but with on-board gasoline-powered motors for backup.

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