Results 81 to 90 of about 7,842 (216)

Research on the coordination of a marine green fuel supply chain considering a cost-sharing contract and a revenue-sharing contract

open access: yesFrontiers in Marine Science
The marine green fuel supply chain is a crucial component in the development of green ports. Focusing on the issue of cooperative contracts between the port and green marine fuel supplier within the marine green fuel supply chain, first, a two-echelon ...
Chang-yan Xu   +4 more
doaj   +1 more source

MCDM Bunkering Optimisation in a Hub and Spoke System: The Case of the North Adriatic Ports

open access: yesPromet (Zagreb), 2019
Choosing an optimal bunkering port that minimises the increase in the operating costs in a hub and spoke system is a multi-criteria decision-making (MCDM) problem.
Danijela Tuljak-Suban
doaj   +1 more source

Modern energy consumption and economic modernisation in Latin America and the Caribbean between 1890 and 1925 [PDF]

open access: yes
In the absence of comparable macroeconomic indicators for most of the Latin American economies before the 1930s, the apparent consumption of energy is used in this paper as a proxy of the degree of modernisation of Latin America and the Caribbean.
Albert Carreras   +3 more
core  

Nigeria’s Niger Delta: Militia Violence, Amnesty, and Energy Security [PDF]

open access: yes, 2011
This paper discusses the interface between violence in the Niger Delta, global energy security and amnesty granted to armed groups by the Nigerian government. The author notes the impact of the violence on energy infrastructure and brings to the fore how
Ibaba, Ibaba Samuel
core   +1 more source

Strategies for introducing methanol as an alternative fuel for shipping [PDF]

open access: yes, 2018
Although waterborne transport is an energy efficient means of transport, its contribution to greenhouse gas emissions is growing and pollutant emissions are high relative to other forms of transport.
Beyen, Jorne   +6 more
core   +2 more sources

On the Usability of Pt/Al2O3 Catalysts for Exhaust Gas After Treatment in Ammonia Combustion Engines

open access: yesChemie Ingenieur Technik, Volume 98, Issue 1-2, Page 27-36, February 2026.
Ammonia engines emit no CO2 but exhibit elevated emissions of NH3 and NOx, where conventional SCR systems are not effective due to the significant excess of NH3. This study investigates Pt‐based oxidation catalysts in a bypass configuration to adjust the NH3/NOx ratio, analyzing catalyst parameters and their impact on N2O formation to identify optimal ...
J. Breuer   +2 more
wiley   +1 more source

Building Off‐Paddock Infrastructure: Insights, Decisions and Lessons Learnt from Southern New Zealand Dairy Farmers

open access: yesNew Zealand Journal of Agricultural Research, Volume 69, Issue 1, February 2026.
Many regions across New Zealand experience cold, wet winters with low pasture growth. Consequently, farmers often rely on winter forage crops to feed cows, resulting in challenges with animal welfare, environmental damage and operational difficulties. Despite the potential of off‐paddock facilities to overcome negative outcomes of crop wintering, only ...
Teresa M. Anderson   +4 more
wiley   +1 more source

The effects of waiting times on the bunkering decision for tramp ships

open access: yesMaritime Transport Research
This study explores the influence of uncertain waiting times together with uncertain fuel prices, in the selection of bunker fuel stops for a shipowner engaged in tramp shipping.
Gabriel FUENTES   +2 more
doaj   +1 more source

An analysis of Nigerian freshwater fishes: those under threat and conservation options [PDF]

open access: yes, 2005
The study assessed qualitatively the threat status of all nigerian freshwater fishes using such criteria as rarity, size at maturity, mode of reproduction, human population density, habitat degradation, pollution and range of each species among others ...
Bankole, N.O., Olaosebikan, B.D.
core  

You Owe Me a Make‐Up: Second Thoughts on the Second Person

open access: yes
European Journal of Philosophy, EarlyView.
Wayne Martin
wiley   +1 more source

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