CSI Blog And News

Refrigerant

News & Views, July 2017

HFO-1234yf REFRIGERANT IS A FLAMMABLE GAS Automobiles have been using refrigerant gases in their AC systems for decades.  The refrigerant gases have generally been inert gases, such as Freon-12 and R-134.  Recently, many auto manufacturers have started to use HFO-1234yf as the refrigerant gas in their AC systems.  This gas is expensive, about $80/lb., and […]

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Refrigerant Recycling Requirements For Motor Vehicles Under Clean Air Act (CAA), October 2006

Background:  Since July 1992, regulations promulgated under the CAA require that motor vehicle air conditioning refrigerant be recycled.  Last week, auto dealers in San Francisco area were penalized for violations arising under this act.  We must note that these CAA regulations are federal regulations and are applicable to all auto dealers in the US and […]

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