Showing 461 - 480 results of 848 for search '"fossil fuel"', query time: 0.10s Refine Results
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    Doctoral thesis
    Published in 2018
    Repositorio Séneca: repositorio Uniandes

    ... caused by the use of fossil fuels, has generated extensive research and usage of cleaner alternative...
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  6. 466
    Trabajo de grado de pregrado
    Published in 2017
    Repositorio Séneca: repositorio Uniandes

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  7. 467
    Trabajo de grado de pregrado
    Repositorio Séneca: repositorio Uniandes

    ...The excessive use of fossil fuels that generate greenhouse gases and that are increasingly...
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    Published in 2015
    Repositorio Repositorio UIS
    ...In recent years biofuels have been studied as a good alternative instead of fossil fuels. Jatropha...
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    Article of journal
    Repositorio Universidad Nacional de Colombia

    ... they are cheaper and less contaminant of the environment than the currently used, non-renewable fossil fuels. Due...
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    Trabajo de grado de pregrado
    Repositorio Séneca: repositorio Uniandes

    ...Currently 80% of the global energy requirement is supplied by energy obtained from fossil fuels...
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