Across
- 3. A fuel source that can be naturally replenished
- 5. Used to propel vehicles and can be converted between forms
- 7. Rates the energy content of fuels
- 9. An alternative fuel made from refined fats, oils, or grease
- 11. Designed to transfer power from vehicle engines
- 12. Vehicles can be powered by burning this element (H)
- 13. Part of the goal of reducing energy comsumption
- 14. An electrochemical device using fuel and a chemical reaction
Down
- 1. This fuel source supply needs to meet the demand
- 2. Powered by both fuel and an electric motor
- 4. A clean burning, less expensive alternative to gasoline
- 6. The flow of electrons used in Fuel Cell Technology
- 8. A vehicle that drives without human interaction
- 10. Advancements in this help efficiency and affordability