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, ...

R134a succeeded R12 almost 30 years ago due to the latter's potential for damaging the ozone layer. In recent years, certain automakers turned to R1234yf. Although it's better for the environment, ...

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 ...

Hyundai Motor said Monday that all its passenger cars will use environmentally-friendly air-conditioning refrigerant by 2020 as part of its efforts to combat global warming. The automaker said it will ...

SAE International Journal of Materials and Manufacturing, Vol. 4, No. 1 (2011), pp. 1231-1243 (13 pages) ABSTRACT Tests were conducted with a laminate evaporator for an automotive application. The ...