Cactus gas – an alternative to petrol?
I meet Miguel Avé and Rogelio Sosa López in the headquarters of a La Nopalimex company. It is located on the outskirts of Zitacuaro in the Mexican state of Michoacan. The enterprise became famous for an invention using an inconspicuous plant – cactus. Biogas extracted from one of its kinds, nopal, has a potential to […]