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August 16, 2016 04:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/CbxsYdnGKeM/electric-vehicles-can-meet-drivers-needs-enough-to-replace-90-percent-of-vehicles-now-on-t
Electric Vehicles Can Meet Drivers' Needs Enough To Replace 90 Percent of Vehicles Now On The Road
An anonymous reader writes from a report via Phys.Org: Researchers at MIT have just completed the most comprehensive study yet to address whether or not existing electric vehicles could bring about a meaningful reduction in the greenhouse-gas emissions that are causing global climate change. Yes, they can. The study was published today in the journal Nature Energy. Phys.Org reports: "'Roughly 90 percent of the personal vehicles on the road daily could be replaced by a low-cost electric vehicle available on the market today, even if the cars can only charge overnight,' Trancik says, 'which would more than meet near-term U.S. climate targets for personal vehicle travel.' Overall, when accounting for the emissions today from the power plants that provide the electricity, this would lead to an approximately 30 percent reduction in emissions from transportation. The team spent four years on the project, which included developing a way of integrating two huge datasets: one highly detailed set of second-by-second driving behavior based on GPS data, and another broader, more comprehensive set of national data based on travel surveys. Together, the two datasets encompass millions of trips made by drivers all around the country. By working out formulas to integrate the different sets of information and thereby track one-second-resolution drive cycles, the MIT researchers were able to demonstrate that the daily energy requirements of some 90 percent of personal cars on the road in the U.S. could be met by today's EVs, with their current ranges, at an overall cost to their owners -- including both purchase and operating costs -- that would be no greater than that of conventional internal-combustion vehicles."Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/CbxsYdnGKeM/electric-vehicles-can-meet-drivers-needs-enough-to-replace-90-percent-of-vehicles-now-on-t
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