4 Ways to Make Better Roads and Parking Lots From the Ground Up

As a surface for wheels, pavement does its job well enough. Asphalt concrete is flat, smooth, and solid (usually). But there is a price we pay for the convenience of paved roads and parking lots everywhere—a price paid in heat, noise, and polluted runoff. We went in search of better pavement and found these potential… » 1/22/14 2:40pm 1/22/14 2:40pm