Blast at the Didion Milling plant killed five workers, injured 14 others and reduced the facility to rubble.
Building was destroyed, more than a dozen hurt in the blast.
The facility’s ethanol will go into Tide laundry detergent, replacing the corn-based ethanol long used to stabilize the detergent formula.
They release 7% more greenhouse gases in the early years compared with gasoline.
Ten per cent of transport energy will come from renewable sources in the EU by 2020.