The document discusses biodiesel fuel and its benefits. It notes that diesel engines were originally designed over 100 years ago to run on vegetable oil. It then discusses experimenting with biodiesel fuel, how it can run in any diesel engine, and a "Veggie Van" road trip across the USA from 1997-1998 to promote biodiesel. It also raises questions about the origins and quantities of oil and mentions a man in Vanuatu Island using biodiesel.