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Modelling the Impact of PHEVs on Ozone in Denver

Green Car Congress

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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TRUE US database shows emissions characteristics of US fleet

Green Car Congress

To complement its work on real-world emissions in Europe, TRUE has compiled remote sensing data from the states of Colorado and Virginia and the University of Denver to investigate the emissions of US light-duty vehicles. By 2018, the percentage of the fleet responsible for 50% of total NO emissions had decreased to 11%.

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Should we be encouraging EVs or discouraging old smoking cars that are the most polluting? | Opinion

EV Central

Interesting, but not even half as mind blowing as the work of genius and inventor Donald Stedman, who was a chemist at the University of Denver. Malcolm Gladwell spent a day by with him in Denver watching the machine at work beside a busy highway and quickly realised that very few vehicles set it off.

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In-use measurements of NOx and particulates trends for heavy-duty vehicles in California

Green Car Congress

A team at the University of Denver has measured the emissions from two in-use California heavy-duty truck fleets—at the Port of Los Angeles and the Cottonwood weigh station in Northern California—using the On-Road Heavy-Duty Measurement System in 2013, 2015 and 2017. g/bhp-hr PM standard and 0.2 model years (4.2?7.5

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

Green Car Congress

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.

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NREL study finds 2nd-generation diesel hybrid delivery vans show significant gains in fuel economy over conventional vans

Green Car Congress

The team also performed dynamometer testing at the Renewable Fuels and Lubricants (ReFUEL) Research Laboratory in Denver. During dynamometer testing, three standard drive cycles were chosen to represent the range of delivery routes. The NREL team evaluated fuel economy during equal 5-month periods from different years.

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Xcel Energy and Customer Coalition To Be Among First Users of Electric Transit Connect

Green Car Congress

Xcel Energy, a major US electricity and natural gas company, will add two of the 13 vans into its corporate fleet. The company is finalizing agreements with others eligible to participate, including the city of Minneapolis and Hennepin County in Minnesota and the city of Denver in Colorado. The city of Saint Paul, Minn.,