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German Environment Agency (UBA)

2025-04-10

Field Testing Confirms Propane as a ‘Feasible Option’ for Train HVAC Systems

A propane HVAC system has been tested on Deutsche Bahn’s regional BR 440 train. Photo credit: Deutsche Bahn

2022-05-31

Leaf Samples Found to Have Increasing Amounts of HFO Degradation Product TFA Over Time

Lombardy Poplar leaf samples had the highest concentrations of TFA in German study; photo by Lenny Worthington via Wikimedia Commons

2021-06-23

Certain HFCs and HFOs Are in PFAS Group that Five EU Countries Intend to Restrict

HFCs and HFOs R134a

2021-05-26

German Environment Agency Says HFOs Should Be Replaced by NatRefs

Clouds images used in article German Environment Agency HFOs