Thomas Midgley Jr.
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Thomas Midgley Jr. was an American mechanical and chemical engineer. He played a major role in developing leaded gasoline and some of the first chlorofluorocarbons, better known in the United States b
Midgley c. 1930s–1940s
Sign on an antique gasoline pump advertising the TEL anti-knock compound Ethyl, a gasoline additive
Chlorofluorocarbon
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Chlorofluorocarbons and hydrochlorofluorocarbons are fully or partly halogenated hydrocarbons that contain carbon, hydrogen, chlorine, and fluorine. They are produced as volatile derivatives of methan
Thomas Midgley Jr.
…1944) was an American mechanical and chemical engineer. He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human…
CFCs negatively affecting stratospheric ozone production
NASA projection of stratospheric ozone, in Dobson units, if chlorofluorocarbons had not been banned. Animated version.
Freon tanks awaiting CFC reclamation and container recycling in 2012
Air pollution 3