Cofounders

[ad_1] ENERGY Wellesley company signs deal for renewable natural gas Vanguard Renewables announced a partnership with pipeline operator Enbridge to purchase at least 2 billion cubic feet of renewable natural gas annually from Vanguard-run anaerobic digesters on farms. That’s roughly enough gas to heat more than 32,000 homes. Wellesley-based Vanguard plans to invest $200 million