ST. PAUL (AP) -- State commerce officials are giving the biodiesel industry another month to fix problems with the fuel that may have clogged fuel filters this winter. The Commerce Department on ...

NORTH MANKATO, Minn. -- Sporadic fuel problems experienced in the last couple of weeks are expected to be resolved when refineries and blenders re-supply, according to the Minnesota Biodiesel Council.

Ethanol and biodiesel are biofuels made from agricultural products. Ethanol has a lower energy density than gasoline, which means vehicles get fewer miles per gallon. Per unit of equivalent energy, ...