نتایج جستجو برای: fossil fuel prices
تعداد نتایج: 129157 فیلتر نتایج به سال:
Jordan is a developing country with an increasing electric demand and very limited fuel resources. As a result, the majority of Jordan's electric generation is fueled by imported fossil fuels, which greatly stresses the country's economy. While Jordan is incredibly resource poor when it comes to fossil fuels, it does have a vast untapped solar energy potential. Jordan's promising renewable ener...
Using alternative fuel vehicles is one of the ways to reduce the consumption of fossil fuels which have many negative environmental effects. An alternative fuel vehicle needs special planning for its refueling operations because of some reasons, e.g. limited number of refueling stations, uncertain refueling queue times in the stations, variable alternative fuel prices among the stations, etc. I...
A novel fossil fuel pollution indicator based on the 13C/12C isotopic composition of plants has been designed. This bioindicator is a promising tool for future mapping of the sequestration of fossil fuel CO2 into urban vegetation. Theoretically, plants growing in fossil-fuel-CO2-contaminated areas, such as major cities, industrial centers, and highway borders, should assimilate a mixture of glo...
The global terrestrial carbon sink has increased since the start of this century at a time of growing carbon emissions from fossil fuel burning. Here we test the hypothesis that increases in atmospheric aerosols from fossil fuel burning enhanced the diffuse light fraction and the efficiency of plant carbon uptake. Using a combination of models, we estimate that at global scale changes in light ...
BACKGROUND Bio-jet fuels compatible with current aviation infrastructure are needed as an alternative to petroleum-based jet fuel to lower greenhouse gas emissions and reduce dependence on fossil fuels. Cradle to grave life cycle analysis is used to investigate the global warming potential and fossil fuel use of converting poplar biomass to drop-in bio-jet fuel via a novel bioconversion platfor...
This roadmap examines the future of microbiology research and technology in fossil fuel energy recovery. Globally, the human population will be reliant on fossil fuels for energy and chemical feedstocks for at least the medium term. Microbiology is already important in many areas relevant to both upstream and downstream activities in the oil industry. However, the discipline has struggled for r...
anaging power generation assets is a complex and challenging task. From the perspective of a regulated utility, the objective is to satisfy its customers and minimise costs. The focus of other energy service companies operating in a deregulated market is on profit maximisation. Large power companies may hold many assets that include a variety of fossil-fuelled power plants such as coal, gas or ...
Background Biomass-derived jet fuel is an alternative jet fuel (AJF) showing promise of reducing the dependence on fossil fuel and greenhouse gas emissions. Hydroprocessed esters and fatty acids (HEFA) concept is also known as one of the pathways for producing bio jet fuel. HEFA fuel was approved by the American Society for Testing and Materials in 2011, and can be blended up to 50% with conven...
SUMMARy This issue brief examines the choice of what emissions to include—and where to regulate them—under a tax or tradable allowance policy to reduce fossil-fuel carbon dioxide (CO 2) emissions. A companion brief (Issue Brief # 14) examines options for regulating non-CO 2 greenhouse gases (GHGs) and non-fossil CO 2 emissions. Several points emerge from this discussion: A regulatory program th...
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