An easy cell

Hyundai Motor President Chung Jin-haeng, right, discusses the Tucson hydrogen fuel cell vehicle with officials of the U.S. Department of Energy including David Danielson, second from left, assistant secretary for energy efficiency and renewable energy, on Thursday local time in Washington, D.C. Chung met the government officials as part of an economic delegation for President Park Geun-hye’s visit to the United States. Provided by Hyundai motor