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Air con without running engines

dog-car-justinsullivanLast updated: April 21, 2010

Source: South China Morning Post

I refer to recent articles and a letter from Anders Ejendal (“Idling engines in Repulse Bay“, April 19), regarding idling engines. I wish to point out that all vehicles, including coaches, can enjoy air-conditioning while stationary without their engine running.

As an electric vehicle designer, I can assure everyone that all these petrol/diesel coaches require is an extra supply of battery power and some smart electronics, and this is not expensive. For example, most taxis can have a workable system installed for around HK$10,000.

Replacing old air conditioners with hi-tech ones will enormously reduce electricity needs. Technology is available to convert any coach to fully electric drive, and it is an economically viable proposition.

Nigel Lam, Kowloon Tong

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