Iowa, already a leading ethanol producer, may be about to plunge into the production of renewable fuels made from animal manure, municipal waste and other byproducts.
Environmentalists and bioeconomy advocates reached an agreement last week to modify a Minnesota bill that critics worried would encourage more corn production.
Legislation in Minnesota that would help propel greater development of advanced biofuels has met with opposition from clean-water advocates who fear it may result in more pollution of state watersheds.
Researchers at Iowa State University are trying to determine whether crop residue could pay off in three ways: as a source of biofuel, as a soil enhancer, and as a long-term sink for carbon dioxide.
Although an ordinance to require E15 at some Chicago gas stations has stalled, the boating industry isn’t backing down anytime soon.