The article discusses ways to save energy by using less or using technology more efficiently. Energy conservation means changing habits to use less energy, while energy efficiency involves using technology to perform tasks well with less energy. The article compares different ways to manage energy and describes creating plans for saving energy. It lists 25 ways to save energy and provides checklists to help track progress. The main idea is that companies need to use a structured approach to save energy effectively. By following energy management standards, companies can keep improving how they use energy, including how much they use and the efficiency of their energy use.