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Que é o gás de aterro sanitário?

O gás de aterro sanitário (GAS) é um derivado da decomposição anaeróbia de resíduos sólidos biodegradáveis, e regularmente, 50% está constituído por metano com um alto conteúdo de energia. O metano é um potente gás estufa (GHG) que tem 21 vezes o potencial para produzir aquecimento global do dióxido de …

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Disadvantages of Biodiesel

The major disadvantage of biodiesel is high production costs. Studies conducted when agricultural commodity prices were much lower than at present and petroleum prices were in the range of US$18 to $20 per barrel concluded that petroleum must rise to over US$40-$50 per barrel to make biodiesel production viable without …

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Biodiesel Around the World

Biodiesel in Europe Two factors have contributed to Europeís aggressive biodiesel industry expansion. First, in 1992, reform of the Common Agricultural Policy addressed European agricultural surpluses by idling some land used for food production through a set-aside policy. This policy, which provides a substantial subsidy to non-food crop production, stimulated …

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