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The Boston Globe

West

Lexington

Lexington considering an anaerobic digester

A local desire to get “greener” and a push by the state to ban large institutions from discarding food waste into landfills has prompted Lexington to consider housing one of the state’s first anaerobic digesters on municipal land.

The digesters use micro-organisms to break down organic materials, such as food and yard waste, in a process that creates “biogas,’’ which can be burned to produce electricity, and leftover material that can be used as fertilizer.

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