Cigarette butts are toxic for the environment. Encapsulating them into asphalt traps the chemicals in the filters and improves the performance of the construction material.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/08/170806185625.htm
via Tumblr http://ndbasilica.tumblr.com/post/163884507194
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