The company Green & Blue Engineering (G&B), based in Cameroon (Africa), more particularly in the city of Yaoundé, has developed a new ingenious process which makes it possible to transform the plastic usually not recycled into diesel fuel directly usable without modifying the engines. This process makes it possible to recycle plastic waste has been patented. Trials have already been attempted between 2017 and 2020, which is the year in which patent No. 19121 of January 2020 was obtained from the African Intellectual Property Organization.