Ananeva, A., Stepanov, M., Korostin, O. and Korneva, M. 2025. The impact of modern geographic information systems (GIS) on improving the energy efficiency of maritime transportation. Transportation and Information Technologies in Russia. 15, 1 (Mar. 2025), 91-110. DOI:https://doi.org/10.12731/2227-930X-2025-15-1-350.