Cutting-Edge Technology Could Massively Reduce the Amount of Energy Used for Air Conditioning

The Chinese bus company couldn’t work it out. Some days when its buses merely crawled along Shanghai’s streets, their power consumption would go through the roof. The reason why was a mystery. So, a team from the US firm Montana Technologies flew out to investigate. They started clamping electricity meters onto parts of the bus and soon realized what Yutong Bus, the Chinese company in question, had missed.

“They didn’t instrument air conditioning,” says Matt Jore, CEO of Montana Technologies, explaining how the buses’ AC, used to counter the often hot and humid weather in Shanghai, had a huge effect on power consumption. “The driver would turn the air conditioning

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