Liquid and gaseous biofuels, for instance ethanol and biodiesel (a kind of diesel gasoline that may be manufactured from crops that yield triglycerides for instance soybean oil), can be used. Engines with acceptable modifications may operate on hydrogen gasoline, Wooden gas, or charcoal gasoline, and also from so-named producer gasoline https://creopt.com/empowering-connections-the-dynamics-of-mentor-matching-engines/