Across
- 4. Biofuels are more________friendly than petrol.
- 6. People talk about reducing their carbon______
- 8. to use fuel, energy or time in large amounts
- 9. To produce (energy)
- 10. An adjective meaning from the sun
- 13. Fuel sources that won't run out are_______
- 15. Prefix connected with water
- 16. This is produced when there is a fire.
- 19. To totally use up
- 20. Demand for_____-friendly hybrid cars is soaring
- 21. Country's deposits in coal, gas, etc.
Down
- 1. Causing little or no damage to the environment
- 2. Able to be recycled
- 3. Most UK household electricity is used for this.
- 5. Gas, coal and oil are all
- 7. Toxic gases from cars which aren't good to breathe in
- 11. A different option
- 12. We put this in our cars to fuel them.
- 13. A battery that can be reused
- 14. A type of petrol with the lead taken out
- 17. Another word for fumes
- 18. The power produced from the nucleus of an atom