As some of you guys/girls might already know, a few people/companies have made cars to run on numerous alternative fuels now.
There is a company here in NZ that used to do something similar to this, but government canned it... Cause they cant tax it!
Probably similar to THIS
Also in Malaysia about 10-15 years ago, someone made an engine to run off Water, yes Water, but yet again, the government bought it (as we are told) and it was never seen again, nor the inventor