A 67-year-old tugboat converted to run on Amogy's cleaner-burning ammonia-to-power technology has set sail for the first time in upstate New York.The 105-foot tug, originally built in 1957 and recently renamed NH3 Kraken, is the first vessel globally fitted with the innovative, carbon-free power system, developed by Amogy to reduce emissions from hard to abate sectors such as maritime.