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Marshall Ridge Dairy begins RNG production

Marshall Ridge Dairy begins RNG production
The Marshall Ridge Dairy RNG facility in Iowa (photo courtesy Clean Energy Fuels).

In the United States (US), Clean Energy Fuels Corporation (Clean Energy) has announced the completion of its latest renewable natural gas (RNG) facility in Marshall County, Iowa (IA).

The Marshall Ridge Dairy project is a three-digester facility located in State Center, Iowa, that is now producing pipeline-quality RNG and injecting it into the national grid.

Financed through one of Clean Energy’s production joint ventures and developed by Dynamic Renewables, the project totaled US$42 million.

Methane from the approximately 240,000 gallons (≈ 908,000 litres) of manure produced by the 8,000-cow herd each day will be upgraded into RNG and ready-to-use as a clean fuel for heavy-duty vehicle (HDV) fleets across the country.

We have been in the business of milking cows for over 60 years, and that’s what our core business will always be. Adding an RNG facility to our farm will enable us to manage our manure much better while generating an additional revenue stream for our bottom line, said Kevin Blood, Marshall Ridge Dairy.

Clean Energy is in the process of filing the necessary applications to generate federal and state environmental credits.

We value working with forward-thinking farmers, helping them create a new revenue stream from what would have been considered waste. RNG is an immediate, smart way to address harmful fugitive emissions, and the RNG produced at Marshall Ridge will directly help to cleanly fuel and decarbonize commercial transport, said Clay Corbus, SVP for Renewables at Clean Energy.

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