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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.

Emissions 150
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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. years old) since 2013, with little fleet turnover.

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UPS to add 1,400 new CNG vehicles over next year; building 15 new CNG fueling stations

Green Car Congress

increase to UPS’ current industry-leading alternative fuel and advanced technology fleet of 5,088 vehicles worldwide. UPS’ investment in a large scale alternative energy fleet has enabled the company to avoid more than 34 million gallons of conventional fuels since 2000. billion km) in this fleet by the end of 2017.

Building 150
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The New Supersonic Boom

Cars That Think

Those objections added to the concerns environmentalists were raising about the ozone layer—a scenario seemingly justified a few years later by MIT researchers, who concluded that a future fleet of 500 supersonic airliners would deplete the ozone layer by 16 percent. Senate ceased funding the development of a supersonic airliner in 1971.

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Campaign Begins

Plug In Partners

consumers purchased more than 200,000 hybrid vehicles, which have grown from two models in 2000 to 11 models today. EV world NATIONAL COALITION LAUNCHES CAMPAIGN TO URGE AUTOMAKERS TO PRODUCE PLUG-IN HYBRID VEHICLES WASHINGTON, D.C.—January Why wait until a catastrophe strikes to get truly serious about addressing the problem?”