The Great Lakes-St. Lawrence Seaway is a vital North American economic and environmental resource, transporting more than 135.7 million tonnes (Mt) of cargo with a value of US$26.1 billion in 2022 across a 2,300 miles deep-draft inland navigation system. Awareness is also growing of the impacts of greenhouse gas (GHG) emissions and overall air pollution from shipping. Global maritime shipping emitted about 1 gigatonne (Gt) of carbon dioxide (CO2) in 2018. According to the U.S. Environmental Protection Agency (EPA), ships and boats emitted 50 Mt of CO2 equivalent in 2021, or equal to 2.8% of U.S. transportation GHG emissions. This […]
It is generally accepted that changing the energy carrier is the only way to reduce shipping emissions after implementing all possible efficiency and optimization measures. However, the ideal energy carrier for the future has not been defined yet. To meet at least some of the reduction targets, part of the sector is switching to LNG from marine fuel oil. LNG substantially lowers sulphur, nitrogen oxides, CO2 and particulate matter emissions, but it also has one major drawback: LNG mostly consists of methane.
This latest third-party logistics report outlines a decline in shipments, invoice amount per shipment, and total revenue compared to the previous quarter. Specifically, total shipments saw a 4.7% quarter-over-quarter decrease and an 8.9% year-over-year decline. Invoice amounts per shipment and total revenue also faced significant drops, indicating that the fourth quarter was the toughest of 2023. This latest report captures the ongoing challenges and emerging positive trends within the transportation and logistics industry, highlighting the resilience and adaptability of the industry in navigating a complex market landscape.
This paper examines the potential contribution of liquid e-fuels, specifically e-diesel, within the maritime sector. It addresses the environmental and economic viability of e-diesel in the maritime context and the essential considerations for its successful competition with traditional marine fuels like Marine Diesel Oil (MDO), Marine Gasoil (MGO), and Heavy Fuel Oil (HFO) until the year 2050.
Crude exports from opaque players shrunk again after 4-year high has been hit in 2023; more than 1700 tankers involved. Russian exports have seen 169 tankers join from Iran/Venezuela trade since war started, providing tonnage for Russian exports. Source: Vortexa
This study investigates how a hinterland consignee (importer) makes decisions regarding the storage of empty containers for reuse by a shipper (exporter). The system is modeled as a double-ended queue with non-zero matching times, limited truck resources, and both consignee and shipper having fixed withholding capacities.
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