‘Blend Wall’ Closes in, and Lobbies Spar Over Impact

By: Javier E. David As the U.S. prods the oil industry to blend more ethanol into gasoline, charges are flying between refiners and biofuel advocates about the impact of such mandates—and whether the so-called Blend Wall is really a problem at all. Under a law passed in 2007, refiners are required to mix a certain… Keep reading →