U.S. Automaker Markets Novel Refrigerant

General Motors says it will introduce a new greenhouse gas-friendly air-conditioning refrigerant in 2013 Chevrolet, Buick, GMC and Cadillac models in the U.S. The refrigerant breaks down faster in the atmosphere and reduces the potential for heat-trapping gases by more than 99 percent. “The biggest benefit of the new refrigerant, (HFO-1234yf), supplied by Honeywell, is that it breaks down faster in the atmosphere than the refrigerant currently used (R-134a),” GM says. “On average, R-134a refrigerant has an atmospheric life of more than 13 years, giving it a...

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