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

Green Car Congress

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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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. In their study, Bishop et al. —Bishop et al. Bishop, Donald H. Stedman, Daniel A.

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NREL study focuses on growing use and impacts of ride-hailing services at airports

Green Car Congress

In a new study, NREL researchers focused on the key observability aspects of new modes and the rate of shifts in mobility patterns across airports in the regions of San Francisco, Portland, Denver, and Kansas City—all US DOT Smart City Challenge finalists. —Josh Sperling, NREL co-author. —Alejandro Henao, NREL postdoc.

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Pilot program to provide e-bikes to low-income workers in Durango, CO; NREL/CEO study on use patterns, efficiency benefits

Green Car Congress

Recipients will also receive helmets, LED lights, locks, panniers and training. The initial three-month pilot program provided e-bikes to 13 low-income essential workers in the Denver area. The pilot provided a baseline for understanding e-bike behavior, particularly as it pertains to personal ownership. —Andy Duvall.

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City of LA, Xerox introduce multi-modal transportation app for commuters

Green Car Congress

Although LA Metro has invested $9-billion investment in new light rail and subway lines, the system now sas fewer boardings than it did three decades ago, when buses were the only option. As the app learns more about its user’s individual travel preferences, it will eventually recommend and highlight personalized commuting options.

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Aclima partnering with Google to map outdoor air quality with Street View vehicles

Green Car Congress

As a pilot, in August 2014, Aclima instrumented three Google Street View vehicles to perform a month-long system test in the Denver metro area during the DISCOVER-AQ study conducted by NASA and the US Environmental Protection Agency (EPA). Sample output from the Denver pilot. Click to enlarge. —Dan Costa, Sc.D.,

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2018 VW Tiguan and new 2.0 TSI B-cycle engine gives VW a strong offering in compact SUV segment

Green Car Congress

Based on our half-day of driving the new Tiguan in the foothills of Denver, the automaker has succeeded on the quality front. This technology stops the engine during idle when the brake pedal is held (such as when waiting at a red light). A Start/Stop system is standard for all Tiguan trims.

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