The Navy plans to take the next step toward powering its aviation fleet with biofuels by flying an SH-60 helicopter on a 50/50 mix of biofuel and fossil fuel early next year, officials say. Rear Adm. Randy Mahr, head of research and development for Naval Air Systems Command, said that the process would follow much the same pattern as biofuel testing with the F/A-18 "Green Hornet." "Starting at the beginning of next calendar year, we'll do the same kind of...
