New Ethanol Study Seen Bolstering California Push For Fuel Waivers

A new study that found high emission increases from California vehicles running on ethanol-treated reformulated gasoline (RFG) may intensify the state's push for a wavier to the federal RFG oxygen mandate, sources tracking the issue say. California officials have argued for several years that refiners should be given maximum flexibility to meet the state's strict RFG pollutant emission limits, including the ability to produce non-oxygenated fuel if they desire. The state is awaiting a decision by EPA on whether it...