It may not be as simple as it seems to completely revamp your car’s fuel system and change it to run on alternative fuels, such as hydrogen. Nonetheless, if you are considering such a massive step, you must be prepared to fuel up your car once the car has been modified. Hydrogen gas generator kits for automobiles will help to generate the hydrogen fuel that your car will need to continue running. They won’t be cheap, but you should be able to find one that will work well if you look around the internet a bit. Be a good consumer and read reviews before buying!