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Capstone Receives order for 34 microturbines for Denver RTD electric bus fleet

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The buses are expected to be delivered to Denver Regional Transportation District (RTD) later this year. The new Denver RTD buses will operate on the 16 th Street Mall in downtown Denver.

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UQM Technologies receives order to refresh generators and motor controllers in Denver RTD hybrid buses

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will begin a refurbishment program on the generators and motor controllers used in the Denver Regional Transportation District’s (RTD’s) fleet of hybrid buses. UQM Technologies, Inc. Earlier post.) The 30 hybrid buses have covered more than a million miles in daily service since 2004.

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Denver RTD orders 17 New Flyer electric buses

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New Flyer of America has received a new contract from Denver’s Regional Transportation District (RTD) for 17 battery-electric, zero-emission Xcelsior CHARGE NG forty-foot heavy-duty transit buses. RTD provides transportation in the Denver metro area, delivering nearly 33 million annual bus rides on 124 routes.

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Study finds 2008 recession contributed to increase in age of US LDV fleet, slowing of emission reductions

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The global economic recession of 2008—which severely depressed light-duty vehicle sales—resulted in an increase in the age of the light-duty vehicle fleet in the US that likely slowed the rate of decrease of fleet average emissions, according to a study by Gary Bishop and Donald Stedman at the University of Denver.

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Modelling the Impact of PHEVs on Ozone in Denver

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Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. Ozone concentration increases were modeled for small areas near central Denver.

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Hydraulic Hybrid Systems and EMI Partner to Target Fleet Retrofit Market; First Retrofit Underway

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( earlier post ), is partnering with Equipment Maintenance Innovators (EMI-Global) to distribute HHS hydraulic hybrid retrofit systems for light- and medium-duty commercial fleet vehicles. The first conversion of the partnership is already underway, a MY 2002 CNG Chevrolet HD 2500 provided by Denver International Airport.

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Beep launching autonomous shuttle pilot in 2021 at Yellowstone National Park

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In a separate study, Yellowstone is partnering with the NPS Intermountain Regional Alternative Transportation Program, the NPS Denver Service Center, and the DOT Volpe Center to analyze the opportunities, risks and costs of local shuttles possibly originating at Old Faithful and Canyon Village.

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