The U.S. Environmental Protection Agency is advising truck owners to avoid hydrocarbon refrigerants being sold as inexpensive substitutes for HFC-134a and CFC-12. Marketed under such names as OZ-12, ...

When the temperatures warm up, it's a good time to remind technicians and drivers about the dangers associated with hydrocarbon refrigerants being sold as cheap substitutes for R-134a and R-12.

Q. I’ve come across products that claim to be replacements for R-12 (Freon) for car air conditioning. What do you know about this? Will they damage my 1987 Toyota van? A.M., Chicago A. Under the U.S.

When the temperatures warm up, it's a good time to bone up on the dangers associated with hydrocarbon refrigerants being sold as cheap substitutes for R-134a and R-12. Marketed under names like HC-12a ...