Heating with gas and oil
Why Natural Gas is Being Phased Out of New Home Construction (and When?)
...Biomethane, which is another term for this purified pipeline-quality fuel, refers to biogas that has also been cleaned and conditioned to remove or reduce non-methane elements. Biogas is produced from various biomass sources through a biochemical process, such as anaerobic digestion, or through thermochemical means, su...