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Actual fuel economy of cars and light trucks: 1966-2019

Green Car Congress

Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2019. (My Annual statistics from the U.S. Department of Transportation were the sources of the information for 1986 through 2019. A minor increase between 2008 and 2019 (from 21.8 total Btu).

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Those who flew in 2020 had twice the environmental impact of those in 2019

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The energy intensity of a transportation mode is calculated by dividing the amount of fuel used by the number of passenger miles traveled and converting the result into a common measure—Btu (British thermal units) per passenger mile traveled. Energy intensities of flying and driving, in Btu per passenger mile. in 2019 to 58.9%

2019 313
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DOE: number of daily trips taken by Americans in 2021 rebounded from 2020 lows

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Recent data from the Bureau of Transportation Statistics presented by the US Department of Energy (DOE) showed that in November of 2021, the number of daily trips taken nationwide exceeded the number of trips taken in late 2019, before the pandemic significantly affected daily travel across the United States.

2020 259
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UN: global e-waste surging; up 21% in 5 years

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million metric tonnes (Mt) of electronic waste was generated worldwide in 2019, up 21% in just five years, according to the UN’s Global E-waste Monitor 2020. of 2019’s e-waste was collected and recycled. According to the report, Asia generated the greatest volume of e-waste in 2019—some 24.9 A record 53.6 Only 17.4%

Waste 259
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UB study finds link between ambient ozone exposure, artery wall thickness

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Long-term exposure to ambient ozone appears to accelerate arterial conditions that progress into cardiovascular disease and stroke, according to a new University at Buffalo study. We used statistical models to capture whether there are significant associations between ozone exposure and these outcomes. —Meng Wang.

Ozone 311
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ICL, CMU study associates PM2.5 air pollution in US with >30,000 deaths and reduced life expectancy

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Air quality in the US may be linked with increased mortality and reduced life expectancy according to new research from Imperial College London and the Center for Air, Climate and Energy Solutions at Carnegie Mellon University. The team then combined this with death counts from the National Center for Health Statistics.

Pollution 247
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Study: no one knows which city has the highest concentration of PM2.5

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Efforts to fill in monitoring gaps with estimates from satellite remote sensing, chemical transport modeling, and statistical models have biases at individual monitor locations that can exceed 50??g?m —Randall Martin, professor in the Department of Energy, Environmental ? The global mean population distance to nearest PM 2.5

St. Louis 220