Tsakos Energy Navigation’s giant, $1.3bn shuttle tanker order done and dusted 15 March 2025 Massive, next-level investment is backed by long-term charters for Brazilian energy major PetrobrasAuthor: Capt. Johnhttps://www.tradewindsnews.com/tankers/tsakos-energy-navigations-giant-1-3bn-shuttle-tanker-order-done-and-dusted/2-1-1793047