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London study finds taxi drivers face highest levels of black carbon compared to other professional drivers

Green Car Congress

Professional drivers working in congested cities are exposed to black carbon levels that are on average a third higher than would be experienced at a busy roadside, according to research presented at the European Respiratory Society International Congress. We know quite a lot about the dangers of exposure to traffic pollution.

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Tongji team estimates vehicle emission factors in Shanghai with MOVES and GPS data

Green Car Congress

A team from Tongji University in China has generated comprehensive emission factors (functional relations between pollutant emissions and the activity that causes them) for Shanghai, China light-duty vehicles at various average speed levels. Emission factors for hydrocarbons, carbon monoxide, and NO x of in-use light vehicles were 0.1

Emissions 199
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Engineers confirm feasibility of aircraft regenerative braking from landing gear

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A team of engineers from the University of Lincoln, with funding from the UK’s Engineering and Physical Sciences Research Council (EPSRC), has confirmed the feasibility of aircraft regenerate braking from the landing gear to provide power for taxiing to and from airport buildings, reducing the need to use jet engines.

Engine 236
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Study suggests high-mileage light-duty fleets contribute higher emissions and emissions share than expected

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A study by researchers from the University of Denver and the University of Puget Sound indicates that high-mileage light-duty fleets contribute higher emissions and emissions share than expected based on their actual numbers in the fleet. —Bishop et al. In their study, Bishop et al. Credit: ACS, Bishop et al. Click to enlarge.

Emissions 150
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NYSERDA awards $4.6M to 17 transportation projects; support for Syracuse U supercritical diesel injection project

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Among the awards is support for a Syracuse University (with BorgWarner of Ithaca) project to prepare, inject and combust supercritical (SC) diesel fuel. Stony Brook University seeks to improve vehicle fuel economy with a thermoelectric generator that would capture energy previously lost through heat exhaust. Earlier post.).

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Pennsylvania DEP awards more than $4.4M in alternative fuels grants to 12 projects; bulk for natural gas

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The University of Pittsburgh Medical Center (UPMC) will receive $500,000 to replace 20 diesel-fueled shuttle buses with 20 shuttle buses powered by compressed natural gas. Cranberry Taxi Inc. Veterans Taxi will receive $269,000 to purchase and deploy 25 new compressed natural gas taxis. Phoenix Contact Inc.

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PHEVLERs are the Zero CO2 Clean Green Machines of the Future

Green Car Congress

Frank (email: afrank@efficientdrivetrains.com) Dr. Frank is Professor Emeritus, Mechanical and Aeronautical Engineering at the University of California, Davis, where he established the Institute for Transportation Studies (ITS-Davis), and was director of the US Department of Energy’s National Center of Hybrid Excellence at UC Davis.

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