Showing 241 - 260 results of 864 for search '"fossil fuels"', query time: 0.14s Refine Results
  1. 241
  2. 242
  3. 243
  4. 244
  5. 245
  6. 246
    Published in 2015
    Repositorio Repositorio UIS
    ...In recent years biofuels have been studied as a good alternative instead of fossil fuels. Jatropha...
    Get full text
    Get full text
  7. 247
  8. 248
  9. 249
    Trabajo de grado de pregrado
    Repositorio Repositorio UCC

    ... biomass as raw material, emerges as a promising alternative to replace fossil fuels and to avoid...
    Get full text
  10. 250
  11. 251
  12. 252
    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...
    Get full text
    Get full text
    Get full text
  13. 253
  14. 254
    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....
    Get full text
  15. 255
    Trabajo de grado de pregrado
    Repositorio Séneca: repositorio Uniandes

    ...Currently 80% of the global energy requirement is supplied by energy obtained from fossil fuels...
    Get full text
  16. 256
  17. 257
  18. 258
  19. 259
  20. 260