article thumbnail

US NOx Cap and Trade Program Lowers Smog Levels in Eastern United States

Green Car Congress

The existing US NO x cap-and-trade program lowered 2008 summertime NO x emissions from power plants and large industrial sources 62% compared to year 2000 levels and 75% lower than in 1990, according to a report released by the US Environmental Protection Agency (EPA). State level ozone emissions in the NBP, from 1990 to 2010 (projected).

article thumbnail

The New Supersonic Boom

Cars That Think

Meanwhile, environmentalists were voicing concern—about how noisy such aircraft are taking off, about the possibility that their high-altitude emissions would erode the ozone layer, and about how disruptive the sonic booms would be. Fourteen production aircraft were manufactured, but one was scrapped in 1994 and another crashed in 2000.).

article thumbnail

Automakers agree on common plug to recharge electric vehicles

Tony Karrer Delicious EVdriven

Im gonna post a couple excerpts here: Most ozone pollution is caused by motor vehicles, which account for 72% of nitrogen oxides and 52% of reactive hydrocarbons (principal components of smog). (7, 1, 2000) Sited: [link] You can google it and find it anywhere that vehicles have always placed more harmful chemicals into the air.