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Modeling study suggests 1.8M excess deaths attributable to urban air pollution in 2019

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A new modeling study led by researchers from George Washington Universit (GWU) finds that 86% of people living in cities worldwide (~2.5 million excess deaths in cities globally in 2019. In the first study, researchers looked at PM 2.5. This new study examines PM 2.5 concentration between 2000-2019. exposure of 5

Pollution 468
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Actual fuel economy of cars and light trucks: 1966-2019

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Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2019. (My Department of Transportation were the sources of the information for 1986 through 2019. The graph below shows the changes in actual vehicle fuel economy from 1966 through 2019.

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Study finds reduction of low-frequency noise from transition to electric buses improved residents’ health

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Accompanying the lower noise levels from bus traffic was a reduction of fatigue, day time sleepiness and low mood, a study at the University of Gothenburg shows. In the fall of 2019, all-electric buses were introduced on bus route 60 in Gothenburg. Study report (in Swedish). —Kerstin Persson Waye. Applied Sciences.

Electric 459
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QM Power and University of Kentucky demonstrate 50 kW/liter electric motor; DOE 2025 power density goal

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QM Power and the SPARK Lab at University of Kentucky shared the combined results of a large-scale, multi-objective design optimization study, and lab testing of a prototype motor designed to meet the 2025 power density goals set by the US Department of Energy (DOE). The computational study was conducted at the SPARK Lab.

Kentucky 396
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UCL-led study finds climate impact caused by growing space industry needs urgent mitigation

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The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. Locations and fuel types of rocket launches in 2019. Ryan et al.

Climate 428
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Study finds EV buyers want rebates, not tax credits; government could have saved $2B

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A study by a team from the George Washington University finds that not all financial incentives are created equal in the eyes of prospective car buyers, and the current federal incentive—a tax credit—is, in fact, valued the least by car buyers. The current federal electric vehicle tax scheme is a pain.

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HEI study links fossil fuel combustion with more than 1 million deaths globally

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is the sixth highest risk factor for deaths globally, accounting for nearly four million deaths in 2019 alone. The study team, led by Dr. Erin McDuffie and Dr. Randall Martin of Washington University in St. According to HEI’s State of Global Air , PM 2.5 The new report noted that major sources of PM 2.5 in African countries.

Global 472