Showing 221 - 240 results of 787 for search '"fossil fuels"', query time: 0.33s Refine Results
  1. 221
    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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  2. 222
    Trabajo de grado de pregrado
    Published in 2017
    Repositorio Séneca: repositorio Uniandes

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  3. 223
    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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  4. 224
  5. 225
    Part of book
    Repositorio Biblioteca Digital Universidad Externado de Colombia

    ...Natural gas is an energy source among fossil fuels (oil, coal and natural gas) with less impact...
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  10. 230
    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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  11. 231
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  13. 233
    Trabajo de grado de pregrado
    Repositorio Repositorio UCC

    ... biomass as raw material, emerges as a promising alternative to replace fossil fuels and to avoid...
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  14. 234
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  16. 236
    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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  17. 237
  18. 238
    Trabajo de grado de pregrado
    Published in 2023
    Repositorio Repositorio UAN

    ... that is generated in the natural environment, as well as the dependence on fossil fuels....
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  19. 239
  20. 240
    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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