biomethane التعريفات والمعاني == English == === Etymology === From bio- + methane. === Noun === biomethane (uncountable) A biogas composed mostly of methane. Synonym: RNG شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة biomechanical biomechanika biomechanics biometrinen biomethanation biomechaniczny biomechanik biomechanoid biometano