Professor Armin Hafner of NTNU calls for governmental loans to overcome higher costs of NatRef systems.
The agency found significantly higher concentrations of TFA, an HFO byproduct, in rainwater.
Stakeholders can attend the hearing online, as well as submit comments till July 6.
The global stock of heat pumps needs to jump 10-fold to 1.8 billion units by 2045, says the International Energy Agency.
The hybrid event, scheduled for September 28-29, will address a wide range of natural refrigerant-related topics.
New bill is similar to U.S.-leading rules enacted in California, paving way for federal legislation.
Feinstein and Padilla follow petition from environmental groups.
The German environment authority seeks stronger EU regulation of f-gases to protect the climate.
The European Commission presented the possibility for more targeted action to address f-gases during a consultation with stakeholders.
The small African country joins several others in the region in ratifying global HFC-reduction plan.