Did you know that Halifax, Nova Scotia has a fleet of busses that run entirely on fish-oil biodiesel? Volkswagen has several models that are approved to run on biodiesel and there are many other engine types that can operate efficiently with this natural fuel. Biodiesel is not that hard to make, you just need a few ingredients and the proper containers. Primarily, cooking oil from a local restaurant…and that should be easy to come by. And if you needed even more incentive, emissions from waste oil biodiesel represent an 86% reduction in greenhouse gasses.
Find several recipes and instructions at diy-alternative-energy.com