WTH!
Almost all cars newer than 1994 use HFC-134a (also known as R-134a IIRC). Banning this would require us to use alternatives which are more combustible in a vehicle’s AC system.
Not to mention I just rolled over my weekend toy from R-12 to R-134a and miss R-12 dearly!!
"They switched us over! Lotta people got blowed up real good!" /Billy Sol Hurok