On August 9, the Natural Resources Defense Council, The National Wildlife Federation, and the United Auto Workers released Supplying Ingenuity: U.S. Suppliers of Clean, Fuel-Efficient Vehicle Technologies arguing that stricter fuel economy and pollution performance standards will drive supplier investment in fuel-saving technologies, leading to job creation and economic growth. Advanced internal combustion engines, hybrid powertrains, plug-in electric vehicles, and electric vehicle-charging infrastructure, were all mentioned as targeted new technologies.