Wasted Fuel News Today

Creates traffic jams, wasted fuel, and pollution. but brian park, a researcher at the university of virginia, says we can do much better. >> 30% better. >> reporter: 30% better? you could improve traffic speed by 30%? >> if you believe in simulations and research shows that. >> reporter: the secret? the lights. park is combining detailed studies of traffic patterns, roadway obstructions and the actual behavior of real drivers in selected areas. >> some are conservative and some are aggressive. >...