However, the ozone-friendly substances that have replaced CFCs in plastics or as refrigerants - hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs) -- are also powerful greenhouse gases.

然而，取代氯氟烃，包含在塑料和制冷剂中的臭氧亲和物质——氟氯化碳（HCFs）和氟氯烃（HFCs），同样也是强大的温室气体。

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Hydrofluorocarbons (HFCs) have been used as replacements for many ozone-depleting substances.

氟烷已被用作许多臭氧消耗物质的替代品。

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The coalition is a U.S.-led effort to combat emissions of black carbon, methane, and hydrofluorocarbons (HFCs).

FORBES: Researchers Argue For Action On Short-Lived Climate Pollutants

Since CFCs were banned, many fridge manufacturers have replaced them with Hydrofluorocarbons (HFCs).

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