Electric cars will require more powerful recharging stations than the standard wall outlets used to juice up bikes.

与电动自行车用墙上标准电源插座充电相比，电动汽车需要更强大的充电站。

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As more and more cars are produced and used, so the emission from their exhaust-pipes contains an ever larger volume of poisonous gas.

随着越来越多的汽车被制造和使用，这些汽车排气管里的排放物所包含的有毒气体的总量也越来越多。

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RailPower Technologies Corp.'s Green Goat—a diesel-electric "switcher" (small, short-distance locomotive) used for assembling, disassembling and moving train cars in rai...[More]

RailPower 技术公司的“绿色山羊”——使用了柴油和电力两种能源的转换器（小型，短距离火车头），以此来在铁轨上组装，拆卸并且移动火车车厢。 这种转换器自2001年研制成功以来，就成为了铁路产业的第一个简易的混合能源装置。

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Millions more used buses and cars in what is believed to be the world's biggest annual human migration.

VOA: standard.2010.02.14

When the economy began to recover from the crisis of the late 1990s, Russians, scornful of their own car industry's Soviet-era products, began buying ever more used imported cars.

ECONOMIST: Theme and variations

Aluminum is beginning to replace low-strength steel and how much more aluminum can be used in cars depends on auto engineers.

FORBES: Aluminum Usage In Cars To Grow -- Davenport & Co

Consumer Reports has an even more detailed list of the best and worst used cars.

FORBES: Is A Used Car Still A Good Deal?