The EPA’s Renewable Fuel Standard requires a growing percentage of alternative fuels to be mixed in to commercial gasoline. But some of these supposedly green alternatives come with their own environmental impacts. (Photo by Branden Eastwood)
The EPA’s Renewable Fuel Standard requires a growing percentage of alternative fuels to be mixed in to commercial gasoline. But some of these supposedly green alternatives come with their own environmental impacts. (Photo by Branden Eastwood)