BRP begins a program to test butanol-extended fuel in a variety of recreational marine engines for Argonne National Laboratory, in collaboration with the U.S. Department of Energy’s Vehicle Technologies Office. Butanol-extended fuel will be tested as an alternative to gasoline containing 15 percent ethanol (E15). The U.S. Environmental Protection Agency (EPA) granted a waiver allowing up to 15 percent ethanol in gasoline. According to industry test data published last October, E15 can cause significant damage to marine engines.