While super-gentle acceleration keeps the vehicle in electric-only mode, it also drains the batteries quickly, often causing the gasoline engine to come on just to recharge the battery pack.

当车辆在非常缓慢的加速过程中将只使用电能，同时电量消耗非常快，常常会使汽油发动机随后只为电池组充电而启动。

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There is about a 50-percent chance in the United States that the electricity that's used to charge the batteries of a plug-in electric vehicle is generated by burning coal.

在美国，大概有50%的用来为电动车充电的电能是通过烧煤来产生的。

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The 10-foot-long 3-seater with oblong diagonal side windows and claw-like headlights is a fully electric, zero-emissions vehicle that runs on lithium polymer batteries.

这款3米长的三座车拥有诡异的斜椭圆型窗户，前大灯仿照动物爪子设计。 该车完全电动，零排放，仅靠锂聚合电池即可驱动。

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Despite having world-class battery technology, A123 Systems suffered from a lack of demand for its electric vehicle batteries.

FORBES: A123 Systems Bankruptcy: Is A Complete Sell-Off Next?

And that plant will be one of 30 new plants to go fully operational over the next six years manufacturing electric vehicle batteries and components right here in the United States of America.

WHITEHOUSE: President Obama Makes Statement on Economy and Oil Spill

Similarly, stimulus investments have helped transform the United States from a bit player in international advanced battery markets to a global competitor with an estimated 20 percent of worldwide manufacturing capacity online by 2012, all while potentially driving down the cost of electric vehicle batteries by up to 70%.

FORBES: With Stimulus Nearing End, Will U.S. Keep Clean Energy Momentum Going?