| A | B |
|---|
| Biodiesel | A form of diesel fuel made by combining any natural oil or fat with an alcohol. |
| Biomass energy | Energy created from plants as well as waste products from humans, animals, and wood. |
| Electricity | A form of energy supplied by public utility companies. |
| Ethanol | Ethyl alcohol which is derived from corn and used in gasoline to help reduce air pollution. |
| "Flow" energy | Any energy form that is derived from the sun, water, or wind. |
| Fossil fuels | Potential energy sources such as coal, oil, and natural gas that are found in underground deposits formed during earlier geologic periods. |
| "Green power" | A phrase used to describe any electricity product that is at least 50 percent derived from renewable energy sources. |
| Hydroelectric power | Energy generated using the movement of water to produce electricity. |
| "Non-flow" energy | Any energy form that is produced from various types of waste. |
| Nuclear energy | Energy released from an atom by nuclear reactions. |
| "Off the grid" | A phrase used to refer to ending one's personal reliance on traditional energy forms and public utilities. |
| Petroleum | An oily and flammable liquid that, when distilled, can yield gasoline, kerosene, and related types of fuel. |
| Photovoltaic device | A solar cell that converts sunlight into electricity. |
| Renewable energy source | An energy source that either continually replenishes itself or is so widely available that its supply appears to be limitless. |
| Solar energy | Energy produced from the harnessing of sunlight. |
| Turbine | An engine or motor that is powered by wind, liquid, and similar resources. |
| Wind power | Energy produced from the harnessing of blowing winds. |
