Editor’s note: This article, distributed by The Associated Press, was originally published on The Conversation website. The Conversation is an independent and nonprofit source of news, analysis and ...

The composition of the asphalt mixture making up a road can determine how safe it is for cars to drive on. Tarik Seker/iStock via Getty Images Plus More than 90% of paved roads in the U.S. are made of ...

To extend the life of asphalt pavement that’s still performing well, spray-on rejuvenators, also known as rejuvenating seals, are sometimes used. These rejuvenators are designed to improve the ...

(THE CONVERSATION) More than 90% of paved roads in the U.S. are made of asphalt, which is constructed with nonrenewable materials such as petroleum. One way to make paving more sustainable is to ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Jingtao Zhong, University of Tennessee and Baoshan Huang, University of Tennessee (THE ...