43+ Biofuels Examples Pictures. Biofuel, renewable energy source that is derived from plant, algal, or animal biomass. Biologically produced alcohols (ethanol, methanol, propanol and butanol). Punjtan Energy Biomass from punjtanenergy.com […]
43+ Biofuels Examples Pictures. Biofuel, renewable energy source that is derived from plant, algal, or animal biomass. Biologically produced alcohols (ethanol, methanol, propanol and butanol). Punjtan Energy Biomass from punjtanenergy.com […]