Madison, Wisconsin-based Virent Energy Systems ranked #21 on the Biofuels Digest list of 50 hottest companies in bioenergy for 2009-2010. The list salutes innovation and achievement in bioenergy development. Virent’s BioForming process is a recognized leader in advanced biofuels technologies. The company’s technology converts abundant plant sugars from non-food and home grown sources into gasoline, jet fuel and diesel hydrocarbon molecules previously refined only from petroleum.