June 13, 2007 - Cannon said. "And then they sell us bags of aluminum cans for gas money."Mrs. The higher the demand, the higher the value."Michelle DeHaven, assistant manager at Terrapin Recycling Center in Dover, said they buy aluminum, copper, brass, stainless steel and light iron. DeHaven said the people who tore down the former ice plant on North Street in Dover brought her the metal from the frames and the pipes to be recycled.Mrs.