GreenFire Energy Inc. and the Mitsui Oil Exploration Co., Ltd. (MOECO) have announced that they have entered an agreement for GreenFire Energy to design and assist MOECO in performing a demonstration and testing of one of GreenFire Energy’s closed-loop geothermal solutions at a geothermal resource in Japan. The company has been focused on geothermal energy as an important potential source of renewable energy in Japan and other areas.