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Chalmers study: ban on sales of fossil-fuel cars greatly reduces lifecycle GHG mainly due to tailpipe emissions; risk of carbon leakage in manufacturing

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If a ban were introduced on the sale of new gasoline and diesel cars, and they were replaced by electric cars, the result would be a significant reduction in lifecycle carbon dioxide emissions primarily due to reduced tailpipe CO 2 emissions, according to a new lifecycle study by researchers at Chalmers University of Technology, Sweden.

Emissions 259
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Hydrogen Opposed Piston Engine Working Group formed

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—James Turner, Professor of Mechanical Engineering, Clean Combustion Research Center, King Abdullah University of Science and Technology (KAUST). OP engines utilize direct injection after ports closure to avoid the risk of fuel short circuiting out the exhaust. Engine Research Center, University of Wisconsin-Madison, Madison, WI.

Hydrogen 353
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Study finds reduction of low-frequency noise from transition to electric buses improved residents’ health

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The health of residents living alongside a bus route in Gothenburg, Sweden, improved when hybrid buses were replaced by buses fully powered by electricity. Accompanying the lower noise levels from bus traffic was a reduction of fatigue, day time sleepiness and low mood, a study at the University of Gothenburg shows.

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EU investing >€3M in research into ultra-efficient aero engines; ULTIMATE project

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Core exhaust loss. The “Core exhaust” loss is primarily due to thermal energy lost to the surroundings, although some excess kinetic energy and fluid friction associated pressure losses contribute as well. Core exhaust loss. Bypass flow loss.

Engine 150
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Scania, Lund, Chalmers and KTH Collaborating in Research on More Efficient, Lower-Emitting Heavy-Duty Engine Fueled by Biofuels

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Scania will focus on developing an engine that can operate on both alcohol- and gaseous methane-based fuels that will combine the higher efficiency of diesel (compression ignition) technology with the exhaust aftertreatment systems of Otto (spark ignition) technology. Initially set to run from 2009-2012 with no definite ending year.

Engine 186
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Gotheburg expands ElectriCity with two more electric buses, other electric heavy-duty vehicles

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After two successful years with electric buses on route 55 in Gothenburg, Sweden, the partners in the ElectriCity venture have decided to expand electric bus operations in the city. Gothenburg has a strong automotive industry and is the Nordic region's logistics hub. —Erik Brandsma, Director General, Swedish Energy Agency.

Electric 150
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Researchers use LCLS to get real-time view of chemical reaction; important insight into how catalysts work

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Catalysts, which can speed up chemical reactions and make them more efficient and effective, are essential to most industrial processes and to the production of many chemicals. Catalytic converters in cars, for example, reduce emissions by converting exhaust to less toxic compounds. Resources. Dell’Angela, T. Anniyev, M. Coffee, A.

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