1. BIOMASS

2. BIOMASS FORMATION The basic model of take up and accumulation of the solar power is the one that there carry out the plant green species the only energetic renewable source that carries likewise a storage in the shape of energy of high quality: the chemical energy. This process has supported the life in the Earth to the present day in the shape of organic matter, which turns out to be a stored solar power and is named a " energy of the biomass ".

11. The greatest strength of biofuels is their potential to reduce CO2 emissions to the atmosfeare.