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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. 6b00717.

Emissions 150
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Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

Green Car Congress

. … Chemical analysis of the emissions shows that SOA is mainly produced via photo-oxidation of aromatic VOCs, present in gasoline, from the exhaust. Finally, we present the first online measurements of aged exhaust showing that SOA formation also produces reactive oxygen species (ROS) with potentially detrimental effects on our lungs.

Pollution 362
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Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

Green Car Congress

During his presentation at the TDI Efficiency Rally, UMTRI researcher Bruce Belzowski first presented a summary of his analysis of the total cost of ownership of diesels with a comparison to that of their gas vehicle counterparts. Changes in the exhaust manifolds and turbo from Gen 1 to Gen 2. Earlier post.). lbs (4 kg).

Diesel 366
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Road Test: 2021 Volkswagen Atlas Cross Sport V6 SEL Premium R-Line

Clean Fleet Report

coefficient of drag (C d ), which is a technical measure of how slippery the Atlas Cross Sport goes through the air, and the engine stop/start feature that turns-off the engine at a traffic light or stopped in rush hour traffic, then restarts when you release the brake pedal. This is very helpful when cornering in an unlit area.

MPG 84
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Road Test: 2023 Volkswagen Taos SEL 4Motion

Clean Fleet Report

The rack and pinion electric power steering was too light for our liking, even though it was progressive, tightening (or becomes heavier) on the open road, While lighter in town. The front end has rounded edges with LED lighting on all trim levels (the SEL gets dynamic cornering headlights). Very European.

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Road Test: 2024 Cadillac XT4 Premium Luxury FWD

Clean Fleet Report

In comparison, most flat screen televisions are 4K. Clean Fleet Report was driving the XT4 Premium Luxury, where the narrow LED headlamps squint from the outer edges of the fenders, bordered by the signature vertical LED daytime running lights. The display handles navigation and the AKG Studio audio system.

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Road Test: 2021 Hyundai Palisade Calligraphy AWD

Clean Fleet Report

The wide cascading grille shouts premium with a unique lighting signature of LED headlamps and daytime running lights in front of a long hood. Finished in Moonlight Cloud, which looked black in some light, our tester had an elegant look. The ambient lighting on the door trim and center console has 64 color options.

Hyundai 105