Power Pairings
June 05, 2007
Power plants use high-pressure, high-temperature steam to spin the turbines that generate electricity, yet two-thirds of the total energy combusted in the process is wasted. Ethanol plants use steam energy to power evaporators, distillers and dryers. To take advantage of those synergies, some have found it beneficial to collocate ethanol plants and power plants.
Cow Power
By Craig A. Johnson
June 05, 2007
The cows inhabiting the Mead Cattle Co.'s feedlot earn their keep by supplying a valuable resource besides beef—manure. E3 Biofuels LLC uses what would otherwise be spread on farmers' fields and turns it into a power source for an on-site ethanol plant.
Quality and Community
By Craig A. Johnson
June 05, 2007
Otter Tail Ag Enterprises LLC is gearing up for a big summer of construction before its plant opens in early 2008. EPM takes a look at what to expect from this medium-sized plant on the Plains.
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