 BAKERSFIELD, Calif.--BUSINESS WIRE--Global Clean Energy Holdings, Inc OTCQB: GCEH and ExxonMobil have expanded their five-year agreement to increase ExxonMobils purchase of renewable diesel. To learn more, visit ExxonMobils May 20th, 2021 follow-up post on its Energy Factor blog original August 2020 post. Highlights include: Five-year agreement for ExxonMobil to purchase renewable diesel from Global Clean Energys Bakersfield biorefinery increases up to 5 million barrels per year Renewa 