The energy sector plays a significant role in Romania's expanding economic and security agenda. The energy sector utilizes a diverse range of resources, such as renewable energy, nuclear power, coal, and natural gas. Traditionally, the primary sources of the country's energy have been coal and...

Recently, there has been a high level of energy demand worldwide, which has piqued regulators and researchers' interest in producing efficient energy. Therefore, this research investigates the impact of multiple energy demands on China's energy efficiency (renewable energy production). The...