Tagged with south dakota

March 04, 2016 | 01:04

Corn cobs

Pile of corn cobs for test production of advanced biofuel at POET, Sioux Falls, South Dakota, USA.

March 04, 2016 | 02:23

From corn to ethanol

Video following the corn from it arrives at the ethanol plant of POET in Sioux Falls, South...

March 04, 2016 | 01:33

Corn fields

Different shots of corn fields outside Sioux Falls, South Dakota, USA