
This photo taken on June 6, 2016 shows a researcher at Eurovia testing a car's wheel onto a tar surface at the Eurovia research center in Merignac, near Bordeaux. Smart roads, stronger, able to light and defrost themselves, generate energy and improving the operation of autonomous cars : major construction companies work hard to give life to these technologies. / AFP PHOTO / MEHDI FEDOUACH / TO GO WITH AFP STORY BY REBECCA FRASQUETMEHDI FEDOUACH/AFP/Getty Images


