Building A Biogas Highway In The U.S.
The liquid RNG produced annually at the Altamont Landfill is equivalent to 2.5 million gallons of diesel fuel. Waste Management uses the fuel in its trash collection trucks.

Studies “conservatively” estimate renewable natural gas could replace 16 percent of the 38 billion gallons of diesel fuel consumed annually by the 10 million fleet trucks and buses on American roads.
Peter Gorrie
BioCycle March/April 2014, Vol. 55, No. 3, p. 36

 

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Feedstock Seasonality Impact On Biogas Production
May food waste (top, left) May yard trimmings (top, right) October yard trimmings (bottom, left) November food waste (bottom, right)

First graduate student to work on-site at University of Wisconsin-Oshkosh dry fermentation digester describes feedstock variations and biogas production trends.
Brooke Koenig
BioCycle February 2014, Vol. 55, No. 2, p. 43

Energy Efficiency And Biogas Generation At Wastewater Plants
Central Marin Sanitation Agency cleaned out and is upgrading its existing digesters with membrane covers and pump mixing systems (inside of cleaned digester shown above). Photo courtesy of CMSA

Anaerobic digestion systems are being upgraded to accept food waste and FOG to boost energy generation.
Diane Greer
BioCycle July 2012, Vol. 53, No. 7, p. 37

Anaerobic Digestion In The Northwest
Anerobic digester, Lochmead Farms, Junction City, Oregon

In addition to dairy digesters, some operated as codigesters, two projects in development are designed to process source separated food waste streams.

Dan Sullivan
BioCycle March 2012, Vol. 53, No. 3, p. 33

Dairy Digester Evolution In New York State
New York State dairy farm plug-flow digester

Cornell University has been involved with anaerobic digestion systems on dairy farms for almost 40 years. A member of its PRO-DAIRY team discusses the past, present and future of AD in the Empire State.

Nora Goldstein
BioCycle February 2012, Vol. 53, No. 2, p. 41

 

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