M100 methanol fuel, which does not contain gasoline, is an efficient and clean automobile fuel produced by mother liquor plus a small amount of special liquor and methanol in accordance with a specific ratio and process. It is most suitable for all kinds of vehicles with high compression ratio and high performance (or European and German vehicles, group consumption and taxi use), with low emission, strong power, less energy consumption and good economy. No parts of the vehicle need to be altered.