I was talking with my neighbour the other night, and it turns out we’ve both just had the (air-conditioning) condensers in our Chevy pickups done. Ask a Mechanic is written by Brian Early, a Red ...

EPA has again revised standards for refrigerant used in vehicles. R-12 refrigerant (aka “Freon”) was the go-to coolant for more than 50 years. Then it was discovered that chlorine atoms in escaped ...

In addition to tailpipe emissions and greenhouse gases, the U.S. Environmental Protection Agency also regulates other materials in cars that may emit substances harmful to humans. And so it is that ...

In February, the U.S. Environmental Protection Agency issued final approval of HFO-1234yf as a refrigerant for air conditioners in new cars and light trucks. It eventually will likely replace R-134a, ...

The refrigerant R1234yf is being considered for use in air conditioning systems in cars. Chemists now show that, in the event of a fire, it releases the highly poisonous carbonyl fluoride, and urge ...