Plug-in electric hybrids give off less exhaust than gas guzzlers. And when they're running on battery power, they generate no fumes at all.

插电式混合动力汽车比单纯汽油动力汽车的废气排放量更少，尤其是当他们使用电源运行时，完全不会产生废气。

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All-electric cars use no gas, but their carbon profiles depend on when they plug in.

全电动汽车不使用汽油，但是它们的碳排放情况取决于它们什么时候充电。

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Hybrid vehicles, which do not plug in but also use both gas and electric engines, are bringing the technology mainstream.

那些不能直接充电、但可以油电两用的混合动力车，则代表着目前汽车技术的主流。

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There is p1 sitting here, and all of the gas is sitting on that side of the plug.

所有的气体都在节流阀的这一边,在我们完成了实验之后。

麻省理工公开课 - 热力学与动力学课程节选

In the next two years, there will be 20 different either electric or hybrid or gas -- or plug-in hybrid cars hitting the road.

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But the new standards will likely require auto companies to develop more hybrids, plug-ins and natural gas vehicles, while using more lightweight materials and improving traditional gasoline engines.

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Importantly, this mud also acts as a kind of plug in the hole, preventing any oil and gas from blasting up out of the hole.

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