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NRC report finds that large-scale production of algal biofuels poses sustainability concerns; not a definitive barrier

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Scaling up the production of algal biofuels to meet at least 5%—approximately 39 billion liters—of US transportation fuel needs would place unsustainable demands on energy, water, and nutrients, according to a new report from the National Research Council. Potential effects on local climate. Click to enlarge.

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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. —Comer et al.

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Study suggests policymakers need to move beyond alt fuels hype to decarbonize transport successfully

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In the study, published in the journal Nature Energy , Noel Melton, Jonn Axsen and Daniel Sperling conduct a media analysis to show how society’s attention has skipped among alternative fuel vehicle (AFV) technology between 1980 and 2013, including methanol, natural gas, plug-in electric, hybrid electric, hydrogen and biofuels.

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California ARB proposing amendments to Clean Fuels Outlet regulation to ensure adequate hydrogen fueling infrastructure

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The California Air Resources Board (ARB) will conduct a public hearing in June to consider adopting amendments to the Clean Fuels Outlet (CFO) Regulation with the intention of ensuring an adequate hydrogen refueling infrastructure to support the introduction and growth of hydrogen-fueled vehicles.

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California’s Advanced Clean Cars program: transforming the light-duty fleet to zero-emission hydrogen fuel cell and electric vehicles with an eye on 2050

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Advanced Clean Car (ACC) package, the ZEV regulation along with new LEV III smog-forming pollutant and GHG standards can be the catalyst to that transformative process. Clean Fuels Outlet (CFO) Regulation. This rulemaking is an opportunity for the Board to commit to the transformation of California’s light-duty vehicle fleet.

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Belfer Center report calls for policymakers to begin taking steps to change policies for funding US transportation infrastructure

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Current gasoline taxes, for example, do not apply to cars running on electricity or most alternative fuels, which raises concerns about revenue generation and equity among road users. Some drivers, however, may choose longer routes to avoid the charges and consume more fuel. —Huang et al. —Huang et al.

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Senators Kerry and Lieberman Release Details of Energy and Climate Bill; Incentives for Electric Drive and Natural Gas Vehicles

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Farmers are exempt from the carbon pollution compliance obligations in the bill. Emissions from the transportation sector will remain under the carbon pollution cap. The bill only requires the largest sources of pollution to comply with reduction targets: those who produce more than 25,000 tons of carbon pollution annually.