Allegro Biodiesel Corporation does not have significant operations. It intends to merge or acquire with an operating entity. Previously, the company owned a biodiesel production facility that used renewable agricultural-based feedstock/soybean oil to produce biodiesel fuel in Louisiana. Allegro Biodiesel Corporation was formerly known as Diametrics Medical, Inc. and changed its name to Allegro Biodiesel Corporation in January 2005. The company was founded in 1990 and is based in Los Angeles, California.