In this paper we highlight one of alternative solutions in the manufacture of biofuel, which will replace the classical fuels who are being exhausted with harmful effects on the environment and human health. There are solutions to reduce net emissions of carbon dioxide by 70% compared to...

The circular economy, roots and context -- Circularity, sustainability and labour in the circular industrial economy -- The circular industrial economy, a wealth of new opportunities -- The era of "R": the owner decides locally -- The era of "D": economic actors recovering resource assets decide...