نتایج جستجو برای: biofuel cell
تعداد نتایج: 1688939 فیلتر نتایج به سال:
The aim of the thesis is to describe how the minimum biofuel requirement affects the monopolistic oil markets. This is an increasingly important questions, because the governments are smoothing the biofuel’s way into the fuel markets for both the economical and environmental reasons. The focus in this thesis is mainly on the minimum biofuel requirement, but at times that policy is compared also...
Project Goals (Abstracts 97-99): Microbial biofuel (i.e. hydrogen and butanol) production holds great promise as a source of renewable clean energy. A critical step towards more efficient biofuel production is improved understanding of the regulation of biofuel-related metabolism and the development of models that are sufficiently accurate to enable rational control of the network behavior. Wit...
This paper analyses the economics of biofuel production and the implications that the accelerating growth in biofuel production in many countries could have on agricultural markets. It shows that production costs of ethanol and biodiesel differ significantly across countries and feedstock crops. These costs often exceed those of fossil fuels. In consequence, the economics of biofuel production ...
Biofuels are a new priority in efforts to reduce dependence on fossil fuels; nevertheless, the rapid increase in production of biofuel feedstock may threaten biodiversity. There are general principles that should be used in developing guidelines for certifying biodiversity-friendly biofuels. First, biofuel feedstocks should be grown with environmentally safe and biodiversity-friendly agricultur...
Present energy situation of the world is unsustainable due to unequal geographical distribution of natural wealth as well as environmental, geopolitical and economical concerns. Ever increasing drift of energy consumption due to growth of population, transportation and luxurious lifestyle has motivated researchers to carry out research on biofuel as a sustainable alternative fuel for diesel eng...
Sustainable biofuel production from renewable biomass will require the efficient and complete use of all abundant sugars in the plant cell wall. Using the cellulolytic fungus Neurospora crassa as a model, we identified a xylodextrin transport and consumption pathway required for its growth on hemicellulose. Reconstitution of this xylodextrin utilization pathway in Saccharomyces cerevisiae revea...
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