BioPower's Hardwood fuel pellets are one hundred% natural and made in Northern Ontario. All wood, no additives in these pellets - a sustainable source of renewable energy. Sustainability and lifecycle: Lifecycle assessments and authorities analyses counsel that sustainably sourced wood pellets may have decreased greenhouse gasoline depth than fossil fuels, https://purebiofuelwoodpellets66431.tinyblogging.com/top-kingdom-biofuel-pellets-secrets-83376592