This remains a Significantly, much shorter period of time than the usual fossil fuel including peat. It can take 900 years for merely a meter (3 feet) of peat to replenish itself. Biochar is a kind of charcoal. Biochar can be a carbon-loaded solid that is particularly helpful in agriculture. https://what-is-pellet-fuel77542.pages10.com/examine-this-report-on-biofuel-examples-74145586