| 21. | Early blowtorches used liquid fuel, carried in a refillable reservoir attached to the lamp.
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| 22. | The revenue from CO2 sales can actually exceed the revenue from liquid fuels production.
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| 23. | The site also has information on the demand for liquid fuel in South Africa.
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| 24. | The steam car demands only water and just about any liquid fuel, even kerosene.
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| 25. | Unlike the gas itself, liquid fuels can be easily shipped by truck or barge.
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| 26. | The missile, fully loaded with liquid fuel, did not burn.
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| 27. | So, using the electricity to synthesize some form of liquid fuel may make sense.
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| 28. | Some liquid fuel options are kerosene, hydrazine, and LH 2.
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| 29. | The Atlas first stage was a booster skirt with two engines burning liquid fuel.
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| 30. | In 1859, it was upgraded to burn liquid fuels.
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