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Actual fuel economy of cars and light trucks: 1966-2017

Green Car Congress

Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Department of Transportation were the sources of the information for 1986 through 2017. The graph below shows the changes in actual vehicle fuel economy from 1966 through 2017. total Btu).

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Rio Tinto and ARENA to study hydrogen calcination to reduce carbon emissions in alumina refining

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Rio Tinto has partnered with the Australian Renewable Energy Agency (ARENA) to study whether hydrogen can replace natural gas in alumina refineries to reduce emissions. In a 2017 open-access paper exploring the use of concentrated solar thermal (CST) radiation for alumina calcination, Davis et al. Rio Tinto will conduct a $1.2-million

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CMU-led study finds that when Uber and Lyft enter cities, vehicle ownership increases

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on average, increasing even more in car-dependent cities, according to a new study led by researchers at Carnegie Mellon University. The researchers analyzed data from major US cities between 2011 to 2017, comparing trends in cities where Uber and Lyft entered with those where they didn’t. Ward et al.

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Study finds Colorado River Basin’s worst known megadrought was 1,800 years ago

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An even more intense “megadrought” hit the region around 1,800 years ago, according to a new study published in the AGU journal Geophysical Research Letters. The new study used tree-ring data and other climate records to identify a drought period unmatched in severity by the current drought or other ancient droughts.

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Relationship between distance driven and economic activity: 1946-2017

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Of interest in this study were the changes in distance driven per inflation-adjusted GDP (gross domestic product) since the end of the Second World War. For each year from 1946 through 2017, distance driven by all vehicles was obtained from the U.S. The 2017 value—177.4 from 2000 to 2017. in 2000 to 0.7%

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

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Fossil fuel combustion, a major source of air pollution, contributed to more than one million deaths globally in 2017, more than 27% of all deaths from outdoor fine particulate matter (PM 2.5 ), according to a new report published by the Health Effects Institute (HEI). Overall, the report indicates that a majority of PM 2.5

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IIHS study finds drivers significantly more likely to speed while using adaptive cruise control

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Drivers are using adaptive cruise control (ACC) as a tool for speeding, possibly undermining the feature’s potential safety benefits, according to a new study by researchers from the Insurance Institute for Highway Safety (IIHS) with colleagues from MIT. This study did not analyze real-world crashes. Driving faster is more dangerous.

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