in mexico, missouri, a new biodiesel plant is scheduled to open in november of 2006. the $27 million plant, will turn soybeans into diesel fuel and add 30 million gallons of biodiesel to the 25 million gallons currently produced in missouri. that will make it the largest biodiesel plant in the world. currently the state of iowa has the largest biodiesel plant, with production at 37.5 million gallons per year. of course, if you have a diesel and some time, you can always make your own biodiesel. or just use vegetable oil.