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Koura is about to produce a lower global warming potential (GWP) automotive refrigerant alternative to R134a as countries like Australia drag the chain on banning imports of equipment charged with high-GWP HFCs despite having ratified a phase-down schedule under the Kigali Amendment to the Montreal Protocol. Koura’s R456a (branded Klea 456a) is an alternative to … Continue reading R456a joins R513a as possible A1-rated drop-in for automotive R134a systems