Air conditioning could be combined with solar power – which has one obvious advantage, says Maidment. "When the sun shines, you need air conditioning."

空调可以结合太阳能-这至少有一个优点，梅德门特说“当阳光照耀时，你需要空调。”

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Even when the car is off and locked, these fans whir around, so when you step back into it you don't need to crank up the power-hungry air conditioning.

即使在汽车熄火及锁着的时候，这些冷却风扇也在呼呼旋转着，所以当你回到车内时，你无需开大耗电的空调。

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Do you need air-conditioning?

您要开空调吗？

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"I don't think you will need air conditioning, notwithstanding the fact that its going to be a June summit, " Sandy Berger, former Clinton National Security Advisor, said.

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