Fuels produced from biodegradable material. Biodiesel fuels, for example, are typically made from oils such as soybeans, rapeseed, or sunflowers, or from animal tallow. Biogases can be produced from methane-rich sources such as landfill or sewage.
Fuels produced from biodegradable material. Biodiesel fuels, for example, are typically made from oils such as soybeans, rapeseed, or sunflowers, or from animal tallow. Biogases can be produced from methane-rich sources such as landfill or sewage.