For many years, hydrofluorocarbon (HFC)-134a was the alternate refrigerant of choice to replace chlorofluorocarbon (CFC)-12 in many medium- and high-temperature stationary refrigeration, air ...

HFC-134a is the alternative refrigerant of choice to replace CFC-12 in many medium- and high-temperature stationary refrigeration and air conditioning applications. It has also replaced R-12 in ...

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America’s electric cars are better for the environment, but they share a dirty little secret. The Chevy Volt, Nissan Leaf and Tesla Roadster all use a super greenhouse gas known as HFC 134a as the ...

Until recently, carbon dioxide had been a strong candidate to displace hydrofluorocarbon (HFC)-134a as the refrigerant of choice for a new generation of automotive air conditioners. HFC-134a has a ...

Industry groups call for ban on HFC-134a refrigerant in car air-conditioning, already banned in the EU and US Australia is at risk of becoming a dumping ground for cars pre-charged with a greenhouse ...

Tim Wallington (Ford Motor Co., Dearborn, Mich.): "Recognition of the adverse impact of chlorofluoro-carbons (CFCs) on stratospheric ozone has prompted an international effort to replace CFCs with ...

where the value of 24.45 is the molar volume of air in liters at a pressure of 760 mm Hg and a temperature of 25°C. The 1-hr EEGL, 24-hr EEGL, and 90-day CEGL for HFC-404a were calculated to be 12,900 ...

This document was prepared by the AEGL Development Team comprising Sylvia Talmage (Oak Ridge National Laboratory) and members of the National Advisory Committee (NAC) on Acute Exposure Guideline ...