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CU Boulder study: routine household activities generate air quality on par with major polluted city

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Cooking, cleaning and other routine household activities generate significant levels of volatile and particulate chemicals inside the average home, leading to indoor air quality levels on par with a polluted major city, according to a study by researchers at the University of Colorado Boulder. Earlier post.).

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CMU study finds that coal retirement is needed for EVs to reduce air pollution

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In the study’s future 2018 grid scenarios that account for predicted coal plant retirements, PEVs would produce air emissions damages comparable to or slightly lower than HEVs. Life cycle emissions by pollutant and life cycle stage for each vehicle type in the recent (a) and future (b) PJM grid. Source: Weis et al. Weis et al.

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IMO selects DNV to investigate potential for LNG-fueled shipping in North American ECA

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This date could be deferred to 1 January 2025, depending on the outcome of a review, to be completed by 2018, as to the availability of compliant fuel oil. This compares to 3.50% m/m outside an ECA, falling to 0.50% m/m on and after 1 January 2020. DNV has already carried out numerous LNG feasibility studies.

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EPA Administrator broadly outlines Trump Administration thinking on fuel economy standards and California

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In a speech on Tuesday at the National Automobile Dealers Association meeting in Washington, US Environmental Protection Agency (EPA) Administrator Andrew Wheeler outlined the Trump Administration’s thinking on national fuel economy standards and California. criteria pollutants. -Ed.] Earlier post.). Earlier post.).

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Perspective: Regional Greenhouse Gas Cap-and-Trade Programs May be the Solution

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Cap-and-trade was first tried on a significant scale twenty years ago under the first Bush administration as a way to address the problem of airborne sulfur dioxide pollution–widely known as acid rain–from coal-burning power plants in the eastern United States. INTRODUCTION. The program then reduces the cap by 2.5 WCI covers seven U.S.

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