%0 Journal Article %T Transport energy efficiency and economic principles of maritime navigation %A Moskalenko, V.. %A Moskalenko, M.. %A Lugovets, A.. %K sea vessel, operational speed, energy efficiency, rating, carbon intensity, freight rates, tramp shipping %J Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies %D 2024 %N 2024 %P 6 %I Astrakhan State Technical University