A who's who of environmental, food and business groups that have in the past been vocal opponents of the U.S. ethanol industry, are now combining forces in speaking out in opposition to what is expected to be at least a partial move to allow some vehicles to use E15, according to USA Today.

Several groups launched an advertising campaign Thursday, starting with ads running in Politico and Roll Call. Those groups include the Environmental Working Group; Natural Resources Defense Council; the Hispanic Institute; Engine Manufacturers Association; International Snowmobile Manufacturers Association; Motorcycle Industry Council; National Marine Manufacturers Association; Outdoor Power Equipment ...