So me and a few friends have a crazy idea for a science fair project. We want to make a small toy car that runs from hydrogen produced by hydrolysis harnessing electrical power from a solar panel and possibly wind turbines on the car. Besides the problem that we are merely high school students and don't have a great engineering background, I have trouble finding this idea even plausible. Could the solar panel really make enough electricity to make enough hydrogen to run the car? Can we cram enough stuff into a model car for this to work? Our science teacher, says that we could make an attempt and if it doesn't work that could simply be the result of the experiment, but i don't want to invest too much time in something that will not work. So what do you guys think? Is this a plausible idea? Could we do this in 3 months? Do we as high school students have sufficient access to the materials and knowledge required to build this? Money isn't a problem as a local hardware store will sponsor us if we present them with a good enough plan. Is this possible?