Electric utilities have expressed concern over increased battery charging load within distribution systems.

可以预计，未来配电网用户端将接有大量的纯电动汽车电池充电负荷。

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Since a broker, if one is involved, receives a fee from the mutual fund instead of charging a load, this could be causing average fees to rise (loads are not included in most expense ratios).

ECONOMIST: Mutual funds