A more environmentally friendly air conditioner

Summer is in full swing in the U.S., and people are turning up their air conditioners to beat the heat. But the hydrofluorocarbon refrigerants in these and other cooling devices are potent greenhouse gases and major drivers ...

Toyota joins Daimler in boycotting coolant

Japanese automaker Toyota has decided to join German rival Daimler in boycotting a new air-conditioning coolant deemed more environment-friendly in Europe, Toyota's German unit told AFP on Friday.

Pressure makes best cooling

Phase transitions take place as heat (i.e., entropy) is exchanged between materials and the environment. When such processes are driven by pressure, the induced cooling effect is called the barocaloric effect, which is a ...

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