At that time, there were discussions and regulations regarding the phase-out of certain refrigerants, such as hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs), due to their impact on the environment and contribution to climate change.
Whether or not Americans are aware of specific government actions or requirements related to refrigerants would depend on various factors such as media coverage, public awareness campaigns, and government communication efforts. Government regulations, especially those that may have an impact on consumer costs or home maintenance, often generate public attention and debate.
If there have been recent developments regarding refrigerant regulations, it would be best to consult up-to-date sources and news outlets for the most current information on this matter.