In the recent years the emphases in the environmental protection policies of the EU Member States is moving towards taking action to reducing and fully utilize the generated waste. According to a study by the European Commission Environment, the biological waste (generated by agriculture, households and food) represents about 1/3 of the households waste or about 88 mln. tons in Europe each year. About 40% of this waste goes into the relevant landfills as their potential for power production as a renewable, or their recycling as compost remains unutilized. Transforming them into biogas, electricity or heat can significantly contribute to combating climate change. Read more in the article