ENVIRONMENTAL, SOCIAL AND ECONOMIC ANALYSIS OF THE BIOGAS USE IN SPARK – IGNITION ENGINES

The biogas resulted from manure can be utilized in internal combustion engines in order to produce energy and to improve farms energy balance, in the famework of environmental pollution reduction. This issue has also a socioeconomic aspect because the discharging of rejects in the environment led to important concerns all over the world. The economic analysis should identify the best solution to burn the biogas flow in internal combustion engines, that is why are needed all incomes and expenses of the cogeneration plant.