You can create killer fuel savings for yourself with hydrogen generator plans from which you can convert water into fuel for your car or any other type of machinery that gets its power from petroleum products.
Hydrogen fuel converters are not hard to make & you can get the supplies from your local hardware store- it’s a MacGyver sort of thing, you understand. Not quite with just duct tape & wire, but with simple valves & other parts, you can create a cool system that will cut your gasoline usage by about 1/3 to 1/2, depending on your vehicle’s particular characteristics. Jump online & key in hydrogen fuel cell for your search to learn more.