Hawaii Gas Co. to recycle biogas produced at sewage plant - Hawaii News Now - KGMB and KHNL

Hawaii Gas Co. to recycle biogas produced at sewage plant

(Image: Hawaii News Now/file) (Image: Hawaii News Now/file)

HONOLULU (AP) - Honolulu officials say they are moving forward with their plans to sell biogas produced at the city's sewage plant to Hawaii Gas Co.

The Honolulu Star Advertiser reported Monday Hawaii Gas would buy gas from the city at $2 a therm. Currently, the gas company purchases gas at about $1.75 per therm.

Biogas is fuel comprised of about 60 percent methane and 40 percent carbon dioxide, which the Honouliuli Wastewater Treatment Plant had been capturing and burning off.

Hawaii Gas Senior Vice President Joseph Boivin says the move aligns with efforts to take waste and turn it into useful forms of energy.

The gas company says it plans to spend about $5 million on equipment to clean the sewage plant's biogas before adding it into their pipelines.

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