News

US EPA proposes tighter HFC restrictions

The United States Environmental Protection Agency (EPA) has moved to restrict the use of many “super-pollutant” hydrofluorocarbons (HFCs) in new air conditioner and refrigeration systems, as well as in foams and aerosols. The proposal targets the use of HFCs above a certain global warming potential (GWP) and will require most new equipment to transition to lower-GWP […]

News

EPA forges ahead with HFC phase-down

After the US government committed to phase down HFCs in line with the Kigali Amendment to the Montreal Protocol, the US Environmental Protection Agency (EPA) has taken a concrete step by putting forward the first rule under the American Innovation and Manufacturing (AIM) Act. The AIM Act directs the EPA to sharply reduce production and […]

News

EPA offers $50,000 for IAQ solutions to smoke

The US Environmental Protection Agency (EPA) has launched a design challenge to encourage the development of IAQ innovations that offer protection from smoke exposure during wildfires. In partnership with federal, state, local, and tribal agencies, the EPA is offering five prizes – each up to US$10,000 (AU$13,000) – for low-cost approaches to clean fine particulate […]

News

US passes HFC phase-down bill

The US government has passed a bill authorising a 15-year phase-down of HFCs in alignment with the Kigali Amendment to the Montreal Protocol. The American Innovation and Manufacturing Act of 2020 (AIM) requires the Environmental Protection Agency (EPA) to implement a phase-down of the production and consumption of HFCs through an allowance program. The phase-down […]