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City of Lincoln to Upgrade Biogas Facilities to Produce Vehicle Fuel

The City of Lincoln, Nebraska is upgrading its technology to allow the biogas produced by wastewater treatment to be processed into vehicle fuel. The City says the project could deliver $800,000 to $4 million annually in added revenue for the Lincoln Wastewater System.

Since 1991, the Public Works and Utilities Department has used the biogas produced at the wastewater facility to generate electricity for the treatment plant. This has resulted in $4 million in operational savings. However, the generators are at the end of their useful lives.

Upgrading the technology to turn the biogas into vehicle fuel instead of electricity can return 2.6 to 13 times more in savings.

“This is another example of our department’s focus on doing things better, more efficiently and more affordably to deliver higher quality service to our customers,” said Donna Garden, the department’s Assistant Director of Utilities. “Giving a beneficial use to something typically considered waste is the type of innovative policy that gives Lincoln residents cleaner, greener lives and protects our environment for future generations.”

Nebraska-based HDR, Inc., which conducted the preliminary engineering and financial analysis, will proceed with final design work at a cost of $700,000. Total construction cost is estimated at $8 million, with a project payback period of as little as two years.

In addition to providing transportation fuel nationwide through pipelines, the project design will allow for the construction of a CNG fueling station for StarTran’s CNG buses and other local fleets. Construction could start as early as May 2018, with commercial operation expected in the summer 2019. A biogas marketing contract is expected to be in place by spring 2018.