Tag: Non energy sources

According to the U.S. Energy Information Administration, fossil fuels still account for over 80% of total U.S. primary energy consumption, but not everything in our daily lives is used for energy. Understanding which of the following is not used for energy is key to distinguishing between fuel sources and essential materials.

According to scientific definitions, a true energy source must produce usable power or work. While many things contribute to an energy-producing process, not everything involved is an actual source of energy. The question of which one is not a source of energy can be surprisingly tricky, as some substances that seem fundamental, like oxygen, are in fact catalysts, not producers, of energy.