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U Alberta study shows for the first time that sunlight causes chemical reactions in road dust; singlet oxygen

Green Car Congress

Unlike desert dust, which is primarily composed of crustal material, road dust is a complex mixture that also includes particles from road surface, brake, and tire wear; traction materials; semivolatile components of vehicle exhaust; and vegetative detritus, including soil and humic materials. —Sarah Styler, corresponding author.

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Perspective: Regional Greenhouse Gas Cap-and-Trade Programs May be the Solution

Green Car Congress

percent per year over the next four years so that in 2018 there is a ten percent reduction from the baseline. states (Arizona, California, Montana, New Mexico, Oregon, Utah, and Washington) and four Canadian provinces (British Columbia, Manitoba, Ontario, and Quebec). The program then reduces the cap by 2.5 Overview of RGGI.

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