| A | B |
|---|
| Ethanol | An alternative fuel made from fermented corn |
| Biomass | Materials that are biological in origin, including organic material (both living and dead) from above and below ground |
| Eco-Friendly | A product that is considered to inflict minimal harm on the environment |
| Amenity | A feature that provides comfort, convenience, or pleasure |
| Greenhouse Gas | Any of the gases whose absorption of solar radiation is responsible for the greenhouse effect, including carbon dioxide, methane, ozone, and the fluorocarbons |
| Carbon Footprint | A measure of the impact on the environment in terms of the amount of greenhouse gases produced (measured in units of CO2) |
| Engineering Design Process | A 10-step model for problem solving |
| Carbon Dioxide (CO2) | A chemical compound gas that is composed of one carbon and two oxygen atom |
| BioDiesel | A fuel made from natural, renewable sources, such as new and used vegetable oils and animal fats, for use in a diesel engine |
| Solar Energy | Radient energy emitted from the sun |
