In a few years, you could be filling up with fuel made from Oregon poplar trees, wheat straw and corn stalks.

Financed in part with a $235 million loan guarantee from the U.S. Department of Agriculture announced today, ZeaChem plans a $390 million biofuel refinery in Boardman capable of producing up to 25 million gallons of ethanol per year.

The Colorado-based energy company expects to be producing fuel and valuable by-products by late 2014. It’s the third U.S. commercial-scale advanced biofuel refinery on the drawing boards.