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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

Source: MIT. Researchers from MIT’s Laboratory for Aviation and the Environment have concluded that ground-level PM 2.5 Researchers from MIT’s Laboratory for Aviation and the Environment have concluded that ground-level PM 2.5 1,000 to 21,000) deaths due to changes in ozone concentrations. Click to enlarge. related and ?2,000

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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. But as was true for concerns about the ozone layer back in the 1960s, proponents of supersonic commercial aviation need to consider the deleterious effects of. Everett Collection/Alamy.