Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

A quick Google search on the word efficient returns the following definition - achieving maximum productivity with minimum wasted effort or expense. I like to think of efficiency as a ratio, or ...

With the authority of Congress, the Department of Energy (DOE) establishes minimum energy efficiency standards on many products, including electric motors used in homes and businesses. The goal of ...

Success within the nonprofit industry does not look the same for each and every organization. As nonprofit leaders navigate solving problems, what’s critical is making sure the organization is meeting ...

New Zealand’s national and regional water policies aim to improve the efficiency of water use and water allocation. These policies classify water efficiencies (and some aims) as: economic (improved ...