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MIT study says combustion emissions cause ~200,000 premature deaths/year in US; vehicles and power generation top sources

Green Car Congress

Annual average concentrations of fine particulates from US sources of combustion emissions from (a) electric power generation; (b) industry; (c) commercial and residential sources; (d) road transportation; (e) marine transportation; (f) rail transportation; (g) sum of all combustion sources; (h) all sources. Source: MIT. related and ?2,000

MIT 378
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The New Supersonic Boom

Cars That Think

Piloting the bullet-shaped Bell X-1 rocket plane in 1947, Chuck Yeager became the first person to exceed the speed of sound while in horizontal flight. Despite strong support from the FAA, the airline industry, and aerospace companies, the U.S. Everett Collection/Alamy. Bell X-1 , a bullet-shaped experimental rocket-plane.