
Following a lengthy investigation, the antitrust arm of the European Union (EU) is expected to file a formal complaint targeted at DuPont Co. and Honeywell International Inc., joint developers of the new refrigerant hydrofluoroolefin (HFO)-1234yf.

Following a lengthy investigation, the antitrust arm of the European Union (EU) is expected to file a formal complaint targeted at DuPont Co. and Honeywell International Inc., joint developers of the new refrigerant hydrofluoroolefin (HFO)-1234yf.

U.S. auto supplier Honeywell refuted claims that its new carbon-neutral air conditioning refrigerant was unsafe, citing findings by an automotive industry research group that it said backed up the product.