U.S. Environmental Protection Agency (EPA) administrator Lisa Jackson speaks at the Energy Information Administration (EIA) energy conference in Washington

 
U.S. Environmental Protection Agency (EPA) administrator Lisa Jackson speaks at the Energy Information Administration (EIA) energy conference in Washington
U.S. Environmental Protection Agency (EPA) administrator Lisa Jackson speaks at the Energy Information Administration (EIA) energy conference in Washington, April 26, 2011. The EPA does not plan to change its biofuel mandate despite corn prices that have risen to record levels, said Jackson on Tuesday. REUTERS/Jim Young (UNITED STATES - Tags: BUSINESS POLITICS ENERGY)