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Traffic volume on rural and urban roads in the United States: 1991-2016

Green Car Congress

This analysis was conducted to examine changes in traffic volume on rural and urban roads in the United States from 1991 through 2016. Rural lane miles during the period from 1991 through 2016 showed a generally continuous decline totaling 6%, from 6.405 to 5.992 million miles. by Michael Sivak. Lane length.

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CU Denver study finds ride-hailing increases vehicle miles traveled

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increase in the miles cars travel for ride-hailing passengers in Denver’s metro area, according to a study published this week in the journal Transportation by researchers at the University of Colorado Denver. For this study, the conservative (lower end) percentage of deadheading miles from ride-hailing is 40.8%. Marshall, W.E.

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MAHEPA consortium marks latest flights of HY4 fuel cell hybrid electric aircraft

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The sixth-generation of hydrogen propulsion has been completely revised from 2016 to 2020, according to aviation requirements. hours flight duration as well as an aircraft with up to 40 passengers and a range of up to 2000 km (1200 miles). In 2016, the aircraft made its first flight ( earlier post ).

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Gasoline consumption per capita in 2020 was on par with that in 1965

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Because of the pandemic, there was a substantial reduction in 2020 in vehicle miles traveled. Overall , vehicle miles traveled in 2020 were down 13% compared with 2019. Michael Sivak is the managing director of Sivak Applied Research and the former director of Sustainable Worldwide Transportation at the University of Michigan.

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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.

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Optimized direct-injection hydrogen engine estimated to exceed 2016 CAFE fuel economy targets at Tier 2 Bin 2 emission levels

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The H2-DI engine was estimated to exceed 2016 CAFE targets with engine out Tier 2 Bin 2 (SULEV) emission levels. L/100km, respectively), with NO x emissions of 0.017 g/mile. However, the corresponding NO x increased to 0.028 g/mile which falls outside the SULEV II range but is still well within a Tier 2 Bin 5 DOE target.

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Toyota Research Institute CEO Pratt outlines initial AI/robotics mandates; trillion-mile reliability

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(The investment is in addition to the $50 million investment over the next five years with MIT and Stanford, each close by TRI’s new offices, to establish joint fundamental artificial intelligence research centers at each university.) Professors Tedrake, Leonard and Storey will work part time with TRI and continue in their university roles.

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