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HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Green Car Congress

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.)

Exhaust 150
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A closer look at why heat pumps are dominating EV HVAC systems

Charged EVs

A better solution—and one which has been all but universally adopted by EV OEMs—is to use a heat pump, and by far the most popular type is one in which a refrigerant gas is compressed to a hot gas, condensed back into a liquid, evaporated into a gas again (absorbing considerable heat in the process), then repeating the cycle, all in a closed loop.