The increasing price of fossil fuels, the energy dependency derived
from their use, and the increasing environmental concerns, have made
it necessary to develop an energy systemwith amore renewable energy
matrix and a consequently reduction of greenhouse gases. One important
renewable energy source is biomass, which can be used for heat,
electricity, and transportation [
40 °C were the best pelleting conditions for the residual biomass from olive trees, although these parameters
varied between the raw materials analyzed.