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Published on: 23 Sep 2013 By (Dianne Saxe)

US EPA again proposes carbon standards for new sources in power plants

Since the US Congress can’t, or won’t, regulate greenhouse gases, President Obama is moving ahead to do so using his executive powers and the existing Clean Air Act. The US Environmental Protection Agency has proposed revised greenhouse gas “New Source” performance st…

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Published on: 5 Mar 2013 By (Dianne Saxe)

Final regulations for heavy duty vehicle emissions

On February 25, 2013, the Federal Government followed the US and announced the final efficiency and emission standards for new on-road heavy-duty vehicles and engines. The regulations are intended to improve fuel efficiency and reduce greenhouse gas (GHG) emissions, and to match American req…

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Published on: 15 Jan 2013 By (Dianne Saxe)

Air pollution: They're cleaner than you think?

Ontario’s air pollution regulation, 419/05, uses an American computer model to estimate how much air pollution from a stationary source reaches a point of impingement, usually the property boundary. This model, AERMOD, is used to determine whether organizations are complying with air e…

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