CITGO Petroleum Corporation invites elementary and middle school teachers to enter its fourth annual Fueling Education Program, focusing on the importance of engaging young students in the subjects of science, technology, engineering, and math (STEM). Through April 30, teachers in grades K – 8 are encouraged to visit www.fuelingeducation.com for the chance to win STEM-related prizes to benefit their classrooms and schools, including the Grand Prize of an in-school teacher training session with ‘America’s Science Teacher,’ best-selling author, and Emmy-award winning television personality, Steve Spangler.