BioEnergy Hawaii LLC, a Kailua-Kona-based developer of waste-treatment and alternative-energy systems, plans to start construction on its $50 million resource-recovery and energy-conversion facility on the Big Island by the fourth quarter of next year, a company executive confirmed to Pacific Business News this week. BioEnergy Hawaii plans to lease about 15 acres of land on a portion of the property now known as the West Hawaii Concrete Quarry to build and operate an integrated resource-recovery…