11. Also, higher liquid fuel prices pushed up inflation last month, the agency said. 12. The energy in a liquid fuel comes from the hydrogen and carbon atoms. 13. Most liquid fuels used currently are produced from "'petroleum " '. 14. Mapco's Mid-America Pipeline ships liquid fuels such as propane made from natural gas. 15. Other non-conventional liquid fuel sources are similarly excluded from this list. 16. At six seconds before liftoff, the rocket's main liquid fuel engine was ignited. 17. It is the fumes of liquid fuels that are flammable instead of the fluid. 18. Most commercial liquid fuel camping stoves on the market today are of this design. 19. On-site conversion to liquid fuels are making this energy available under present market conditions. 20. It had several advantages over liquid fuels such as gasoline.
