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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

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California’s latest greenhouse gas data shows that while the state continues to stay below its 2020 target for emissions, there is much more work to do to achieve carbon neutrality by 2045. million metric tons in 2017. million metric tons between 2017 and 2018, the first such decline since 2013. tons per person to 10.7

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PNNL’s hydrothermal liquefaction shows promise for turning toxic algal blooms into biocrude

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The newly cleaned water is then returned to the environment, while the algae are further concentrated to maximize the potential for energy and nutrient recovery. 2017) in the book Algal Biofuels. In other words, with removal of the algae and associated nutrients such as phosphorus, the water was much cleaner when returned to the lake.

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California ARB study finds commuters’ exposures to air pollution greatly depends on mode of travel; light rail, personal vehicles the lowest

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The study, published recently in Atmospheric Environment , investigated commuter exposure to PM 2.5 , black carbon (BC), and ultrafine particles (UFP) in six common transport microenvironments in Sacramento, California. One important finding is the need for more light rail and dedicated bike paths, as well as cleaner locomotives.

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Canada aligns with US on light-duty vehicle GHGs, Tier 3 regulations and heavy-duty vehicle fuel efficiency

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Canadian Environment Minister Leona Aglukkaq announced developments on three new regulatory initiatives to further support Canada’s efforts to curb greenhouse gas (GHG) emissions and to provide cleaner air through lower air pollutant emissions from cars and trucks. billion and cumulative net benefits for Canadians of $4.7

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ICCT study examines current & projected use of heavy fuel oil in Arctic shipping; growth in BC emissions points to need for policies

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A new study by the International Council on Clean Transportation (ICCT) estimates heavy fuel oil (HFO) use, HFO carriage, the use and carriage of other fuels, black carbon (BC) emissions, and emissions of other air and climate pollutants for the year 2015, with projections to 2020 and 2025. Click to enlarge.

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Study finds “markedly” high levels of diesel exhaust present in commuter trains powered by locomotives in pull-mode

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Diesel-powered commuter trains may expose their passengers to elevated levels of certain black carbon and ultrafine particles, especially in the coach directly behind the locomotive, according to a new study from researchers at the University of Toronto. A paper on the study is published in the journal Atmospheric Environment.

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LanzaTech collaborating with Swayana to convert waste gases from ferroalloy production to ethanol

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LanzaTech’s first commercial facility will be online at the end of 2017 in China, producing fuel-grade ethanol from captured steelmaking off-gas. Ferroalloys are alloys of iron with some element other than carbon; the ferroalloy “carries” that element into molten metal—e.g., during steel manufacturing.