Greener freezers on the make

摘要

Some of the world's largest consumer product companies are promoting in the United States freezers and refrigerators that use coolants that don't trap heat in the atmosphere as much as Freon and other conventional refrigerants. The new hydrocarbon coolers are being tested by some outlets of Ben & Jerry's ice cream company. Meanwhile, General Electric is seeking approval to market in the United States a home refrigerator that uses a hydrocarbon refrigerant.