A few weeks ago, we posted an article about the top three questions we were asked at the Northern Illinois Farm Show. Along with those questions, there are certain topics that seem to be brought up at every farm show we attend, and one of them is biodiesel. We hear sometimes that people have issues with biodiesel gelling up and are hesitant to use it again. “Gelling” can refer to fuel thickening due to wax crystal or clumping from extreme cold temperatures. The problem here is likely not due to the biodiesel itself, but a problem with the equipment, [...]