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  1. en.wikipedia.org › wiki › BiofuelBiofuel - Wikipedia

    Hace 15 horas · It can be produced either from biodegradable waste materials or by the use of energy crops fed into anaerobic digesters to supplement gas yields. The solid ... it has been shown that the environmental cost to produce the infrastructure and energy required for third generation biofuel production, is higher than the benefits provided ...

  2. Hace 15 horas · Newton's third law relates to a more fundamental principle, the conservation of momentum. The latter remains true even in cases where Newton's statement does not, for instance when force fields as well as material bodies carry momentum, and when momentum is defined properly, in quantum mechanics as well.