Methanol is the simplest alcohol to make and is the most probable choice fuel for future Mars missions. Ethanol only requires water and carbon. Methanol is colloquially referred to as “wood alcohol” and/or “natural gas”. Professional racing car drivers prefer methanol as a fuel source due to the fact that it’s much less likely to catch fire after a crash. Methanol burns incredibly clean in comparison to gasoline and methanol costs 33% of what gasoline costs to manufacture and distribute