Being a humanitarian, supporting animal rights activists, human rights activists, it's all the same.

I have four dogs, four horses, a cat, and a bunch of wild frogs

That's a big goal of mine, to try and grow as much of my own food as possible

Most people are really stunned to find out that the technology has been around for more than 100 years, and that the diesel engine was in fact invented to run on vegetable oil.

I never had come up with a really profound and strong gesture - nothing like Julia Butterfly's. So I figured the best thing I could do was live by my beliefs. That's probably the most profound thing that anybody can do.

And then of course, obviously as far as issues such as global warming, something has to be done on the corporate side, there has to be some mandate or some legislation.

I love the idea that biodiesel has the potential to support farmers, especially the family farms.