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The industrial manufacturing sector is the biggest final usage sector when speaking of both final energy consumption and emission of greenhouse gases (accounting for over 30% of the total); the industry's expansion is fast modifying the climate of the whole globe. Energy conservation is one of the key components of success for sustainable production because of the pressing need to reduce the negative effects that industrial operations have on the surrounding environment. As a direct consequence of this, the scientific community's involvement in energy management has significantly increased, which has resulted in a number of literature evaluations being conducted on methodologies. However, there is a dearth of both a detailed study of the techniques and tools that attempt to improve energy awareness as well as an assessment of the impact that these methods and tools have on energy efficiency. To try to fill this void, the author of this work conducts an extensive literature study on the various energy assessment methodologies and tools with their microstructures. After examining the databases of scientific literature, a total of 1366 publications were retrieved; however, it might be of use to industry practitioners in the field of energy management. In accordance with the guidelines provided by ISO 50001, the procedures and instruments were categorized into three primary areas (namely, AAM which means analysis, assessment, and saving measures), and the particular results important to each category were then synthesized as the outcome of study. In its concluding section, the article discusses problems and topics that still need to be addressed and offers proposals for new lines of inquiry.

Green machining is an emerging field that focuses on reducing the environmental impact of machining processes while maintaining or improving their economic efficiency. Cutting fluids are commonly used in machining operations to reduce friction and heat generated during cutting, but they can also cause negative environmental and health impacts. This paper reviews the environmental and economic impacts of cutting fluids in machining processes and presents various green machining techniques that can be used as alternatives to traditional cutting fluids. The paper also discusses the challenges associated with implementing green machining techniques and the main outcome is the potential benefits for both the environment and the economy.