Renewable resource, anyone? (Score 2, Interesting)

I believe that much of the attraction of a plant-based fuel is that we can keep making more of it. Petroleum reserves are a large, but finite, resource. Oil-bearing plants of one type or another can be grown in many parts of the world, so there is less of a geographical monopoly on the resource. I'm not terribly fond of tofu, but perhaps I can trick my car into ingesting it...