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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 two study groups were on different duty cycles and required a route switch to provide a valid comparison, which UPS accommodated. The team also performed dynamometer testing at the Renewable Fuels and Lubricants (ReFUEL) Research Laboratory in 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. Credit: ACS, Bishop et al. Click to enlarge.

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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. A Start/Stop system is standard for all Tiguan trims. By comparison, the 2017 Tiguan with 2.0L When the brake pedal is released, the engine restarts. Driver-Assistance Systems.

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