Honeywell’s Low-Global-Warming Refrigerant for Vehicles Approved for Import, Use By Japan Regulators
Honeywell’s new low-global-warming-potential refrigerant (HFO-1234yf) for mobile air conditioning has received approval to be imported and used in Japan.
HFO-1234yf has been reviewed by the Japanese Ministry of Health, Labor and Welfare (MHLW); the Ministry of Economy, Trade and Industry (METI); and the Ministry of the Environment (ME) in accordance with the Chemical Substances Control Law. Following these reviews, the Japan government decided that the refrigerant can be imported into Japan without volume or use restrictions and that no special controls or special monitoring are required.
Honeywell, in collaboration with DuPont (earlier post), developed HFO-1234yf in response to the European Union’s Mobile Air Conditioning Directive, which requires that all new vehicles produced starting in 2011 use a refrigerant with a global warming potential (GWP) below 150. Current mobile air conditioning systems use HFC-134a, a refrigerant with a GWP of 1,300. HFO-1234yf has a GWP of 4. This new refrigerant is part of a larger platform of low-GWP refrigerants and blowing agents that Honeywell is developing.
HFO-1234yf has undergone testing for safety and efficacy by independent testing groups, including the SAE International Cooperative Research Program, which comprises leading automakers. The SAE testing found HFO-1234yf to offer “superior environmental performance” to CO2, an alternative refrigerant, while having “the lowest risk for use in mobile air conditioning systems in meeting environmental and consumer needs.”
This approval from Japanese regulators moves forward the global adoption of HFO-1234yf, and is a significant step in the effort to limit greenhouse gas emissions from mobile air conditioning systems. HFO-1234yf is a near drop-in replacement for the current refrigerant and offers proven performance in climates around the world.—David Diggs, global business director for Honeywell Fluorine Products