The American Petroleum Institute released a study performed by the Coordinating Research Council January 29 finding that higher ethanol blends such as E15 in gasoline could result in fuel pump failures, erroneous check engine light warnings, and inaccurate fuel gauge readings. The petroleum industry is charging that the study, Durability of Fuel Pump and Fuel Level Senders in Neal and Aggressive E15, provides further evidence that the renewable fuel standard should be revealed.