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Distance driven in the United States: Did we reach the peak in 2004?

Green Car Congress

This article is the latest publication in a series examining recent changes in various aspects of motorization in the United States. The focus here is on distance driven per person and per household, as opposed to the absolute distance driven (which depends, in part, on the continuously increasing size of the U.S. by Michael Sivak.

2004 317
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Number of vehicles in the United States: Did we reach the peak in 2006?

Green Car Congress

In a recent article , I examined changes in distance driven in the United States during the period from 1984 through 2017. While this rate has been on a rebound since 2013, the 2017 rate is still down from 2004 by 5.2%. by 2017 (to 0.769 vehicles). by Michael Sivak. Distance driven per person reached a maximum in 2004.

2006 277
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EC approves second major battery innovation project; €2.9B (US$3.5B) from 12 member states

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The direct participants will closely cooperate with each other through nearly 300 collaborations envisaged, and with more than 150 external partners, such as universities, research organisations and SMEs across Europe. In 2017, the Commission launched the European Battery Alliance. Background.

Batteries 482
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The Future We Saw Coming Is Now

Cars That Think

We began tracking the first technology, nanosheet transistors , in 2017. By the time we gave all the details in a 2019 feature article , it was clear that this device was destined to be the successor to the FinFET. Forrest was a founder of Universal Display Corp., This article appears in the January 2024 print issue.

Future 111
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Study offers new insights into solidification cracking during welding of steel

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New research led by the University of Leicester in the UK has made a novel breakthrough in understanding how solidification cracking occurs during the welding of steel, an important engineering alloy. —Professor Hong Dong from the University of Leicester Department of Engineering. NMP3-SL-2009-229108. Resources. Marsden, A.

Insight 150
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Study: hydrogen boride nanosheets are a promising hydrogen carrier; 8wt% under ambient conditions

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Researchers at Tokyo Institute of Technology, University of Tsukuba, and colleagues in Japan report a promising hydrogen carrier in the form of hydrogen boride nanosheets. The two-dimensional materials derived from magnesium diboride (MgB 2 ) were first reported by researchers in Japan in 2017.

Hydrogen 170
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UCSD, South 8 team report improved liquefied-gas electrolytes for Li-metal batteries

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Improvements to a class of battery electrolyte first introduced in 2017—liquefied gas electrolytes—could pave the way to replacing the graphite anode with a lithium-metal anode. cycling efficiency reported in the 2017 Science paper, and an 85% cycling efficiency for lithium metal anodes with a conventional (liquid) electrolyte.

Gas 247