Call your doctor at once if you have any of these serious side effects: 1  severe headache; 2  bloody urine, painful urination; 3  fever, chills, body aches, flu symptoms; 4  chest pain; 5  feeling short of breath, even with mild exertion; or.  swelling of your ankles or feet.
Biofuel is a product produced from biomass. As the biofuel definition above suggests, this fuel is considered much cleaner than petrol/diesel alternatives. Biofuel is considered carbon neutral, as the biomass absorbs roughly the same amount of carbon dioxide during growth, as when burnt.
Biofuels. Biofuels are solid, liquid or gas fuels made from recently-harvested biological material (biomass). Most biofuel is derived from plants, either crops grown specifically for fuel use or material left over from plants harvested for other uses.iofuels. Biofuels are solid, liquid or gas fuels made from recently-harvested biological material (biomass). Most biofuel is derived from plants, either crops grown specifically for fuel use or material left over from plants harvested for other uses.