RFS reform is gaining congressional attention, if not momentum.As Gary Blumenthal wrote this week (see Ag Perspectives, 1 March), Representative John Shimkus (R-Illinois), chairman of the Environment subcommittee of the House Environment and Public Works Committee, is preparing legislative reform options for the Renewable Fuel Standard (RFS). Shimkus said he is working with Representative Bill Flores (R-Texas), who has a RFS reform proposal to cap ethanol use at 9.7 percent of the fuel supply. Yesterday Representative Bob Goodlatte (R-Virginia) introduced his proposal, which eliminates corn-based ethanol requirements, caps the amount of ethanol that can be blended into conventional gasoline at 10 percent, requires the EPA to set cellulosic...