Oil Giants Enter Biomethane with Investments of 137 Million in Jaén
by Juan Esteban Poveda (ElEcoNomista) Major olive oil producers are entering the biomethane business in the province of Jaén. There are four projects underway to produce biogas from alpeorujo that require a joint investment of 137 million euros in the municipalities of Martos, Guarromán, Castellar and