Earth Gen-BioFuel Inc Appoints Industry Veteran Brent Roush as General Manager of its International Housing Concepts Subsidiary. Las Vegas, NV, Aug. 01, 2019 (GLOBE NEWSWIRE) -- Earth Gen-BioFuel Inc.(OTC:EGBB), “EarthGen” or “the Company” announces the appointment of Brent Roush as General Manager of its International...