Refrigerator producers and users have been wrestling with the most suitable way of getting out of CFCs for some time. The options offered by chemical companies producing CFCs are the HCFCs and HFCs. Both of these have their drawbacks. The main HCFCs on offer are ozone depleters, albeit less potent than the CFCs. And most of the HFCs currently available have a high global warming potential.
German companies have led the way into other opti