Alternative Fuels

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Across
  1. 4. No emissions but upstream costs
  2. 6. Zero emissions but not widely available fuel
  3. 7. High centene value and lubricity
  4. 9. Sale of petroleum products
  5. 10. Exploring, drilling, extracting deposits
  6. 11. Making a new product from a distilled fraction
Down
  1. 1. Can be compressed or liquified
  2. 2. Forming a compound from larger hydrocarbon
  3. 3. Separating fractions using heat
  4. 4. Renewable corn based fuel
  5. 5. Battery is charged when a car slows down
  6. 8. Positive energy process to make fuel