Understanding the scope for substitution between energy and non-energy inputs is central to the design of energy taxes, subsidies, and environmental regulation. Using annual data for 1981–2023, this study estimates Allen (AES) and Morishima (MES) elasticities among capital, labou...
Open access
Research Article10.9734/jenrr/2026/v18i5512
Background: The escalating demand for sustainable energy solutions is especially pronounced in remote and off-grid regions where conventional power infrastructure is either limited or absent. In this context, the deployment of renewable energy systems—particularly solar and wind—...
Open access
Research Article10.9734/jenrr/2026/v18i5511
The high cost of feedstock for biodiesel production limits the competitive potential of the fuel as a substitute for the petroleum diesel. The current study investigated the optimization of biodiesel yield from the transesterification of rubber seed oil. The operating parameters...
Open access
Research Article10.9734/jenrr/2026/v18i5510
This study develops and validates a physically informed ordinary differential equation (ODE) model for predicting photovoltaic (PV) power output under varying environmental conditions. The proposed framework couples panel thermal dynamics with temperature-dependent electrical eff...
Open access
Research Article10.9734/jenrr/2026/v18i5509
In recent years, the development of advanced heat transfer fluids for high-performance thermal systems has attracted significant attention due to increasing energy demands in process industries, electronics cooling, and renewable energy applications. Nanofluids have been widely u...
Open access
Research Article10.9734/jenrr/2026/v18i4508
This study was aimed at exploring challenges, prospects and pathways for establishing a lithium-ion battery (LIB) manufacturing industry in Zambia. As the global demand for lithium-ion batteries rises, driven by the transition to electric vehicles and other power requirements and...
Open access
Research Article10.9734/jenrr/2026/v18i4506
This study provides a comprehensive systematic review of India’s energy sector, focusing on four key dimensions: energy consumption patterns, the energy–economic growth nexus, causality relationships, and energy security. The review is based on peer-reviewed literature sourced fr...
Open access
Research Article10.9734/jenrr/2026/v18i4507
Aims: This study quantifies the impact of seasonal hydrological variability on energy demand at the Cross River State Water Board (CRSWB) treatment facility in Calabar, Nigeria, and evaluates the effectiveness of neural network-controlled distributed solar generation (DSG) in enh...
Open access
Research Article10.9734/jenrr/2026/v18i4505
Aims: To develop and evaluate a machine learning-based framework for the accurate detection, classification, and localization of faults in a power transmission system, with the goal of enhancing system reliability and reducing maintenance delays. Study Design: Simulation-based ex...
Open access
Research Article10.9734/jenrr/2026/v18i4504
To address the challenges of energy shortage and environmental pollution in the internal combustion engine industry, ammonia has emerged as a promising carbon-free alternative fuel to achieve the goals of carbon peaking and carbon neutrality. However, the low laminar burning velo...
Open access
Research Article10.9734/jenrr/2026/v18i4503