The Maine Department of Environmental Protection has wrapped up its investigation into a fuel spill in Deer Isle. A truck hauling lobsters went off the road, rolled over and caught fire Monday afternoon. Fuel from the truck spilled into the water.Police say 60-year-old Franz Gerani of Rockland lost control of his truck on a sharp curve near the Deer Isle-Stonington town line. The driver suffered minor injuries.Sand was used to absorb diesel fuel from the truck and 70 gallons of diesel fuel was caught. The lobsters were unloaded and quarantined. The wrecked truck was hauled to Orrington.