This free, downloadable B-roll footage from the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) is for use by news media and education organizations. This high-resolution video features clips of ethanol fuel emissions testing and certification in Aurora, Colorado, including shots of multiple ethanol (E-15) testing stations measuring exhaust output in normal driving conditions and an ethanol (E-15) testing bay measuring exhaust output for normal driving conditions.