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  2. R-407C - Wikipedia

    en.wikipedia.org/wiki/R-407C

    R-407C is a mixture of hydrofluorocarbons used as a refrigerant. It is a zeotropic blend of difluoromethane (R-32), pentafluoroethane (R-125), and 1,1,1,2-tetrafluoroethane (R-134a). Difluoromethane serves to provide the heat capacity, pentafluoroethane decreases flammability, tetrafluoroethane reduces pressure. [ 1 ]

  3. 2,3,3,3-Tetrafluoropropene - Wikipedia

    en.wikipedia.org/wiki/2,3,3,3-Tetrafluoropropene

    For this reason, 2,3,3,3‑tetrafluoropropene is the pre-eminent replacement for R-134a in vehicular air conditioners. As of 2022, 90% of new U.S. vehicles are estimated to use HFO-1234yf. [ 6 ] Unlike previous vehicular refrigerants, 2,3,3,3‑tetrafluoropropene is flammable , but does not increase fire risk in internal combustion engines .

  4. Chlorodifluoromethane - Wikipedia

    en.wikipedia.org/wiki/Chlorodifluoromethane

    Propane was the de facto refrigerant in systems smaller than industrial scale before the introduction of CFCs. The reputation of propane refrigerators as a fire hazard kept delivered ice and the ice box the overwhelming consumer choice despite its inconvenience and higher cost until safe CFC systems overcame the negative perceptions of ...

  5. Gas vs. Electric Cars: Pros and Cons of Each - AOL

    www.aol.com/gas-vs-electric-cars-pros-170000149.html

    If you live in a two-car household, one way to help ease into EVs is to replace just one gas vehicle for now, allowing you to keep the gas-powered one for long trips and use the electric car ...

  6. Electric vs. Hybrid Cars: Pros and Cons of Each - AOL

    www.aol.com/electric-vs-hybrid-cars-pros...

    That said, batteries are heavy, and a larger, longer-range battery increases weight further, making long-range EVs and electric trucks comparatively tough on roads (which they don't currently ...

  7. Automotive air conditioning - Wikipedia

    en.wikipedia.org/wiki/Automotive_air_conditioning

    R-12 was used in automotive air conditioning systems until the mid-90s when production was banned by the government and replaced with a new refrigerant, R-134a. R-12 can still be bought and sold but is no longer produced. This makes R-12 very expensive and hard to find. [41] R-12’s global warming potential number is very large at about 11,000 ...

  8. The Pros and Cons of Electric Cars - AOL

    www.aol.com/pros-cons-electric-cars-132500463.html

    Pros and Cons of Battery-Electric Vehicles PRO: Performance and power delivery. BEVs have the potential to be insanely quick. Just look at the Rivian R1T, a more than 7000-pound electric pickup ...

  9. Dichlorodifluoromethane - Wikipedia

    en.wikipedia.org/wiki/Dichlorodifluoromethane

    Dichlorodifluoromethane (R-12) is a colorless gas popularly known by the genericized brand name Freon (as Freon-12). It is a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant .

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