نتایج جستجو برای: biofuels

تعداد نتایج: 5772  

2007
Brian T. Turner Richard J. Plevin Michael O’Hare Alexander E. Farrell

This study describes how some biofuels are produced, emphasizing agricultural production systems, and considers what is needed in order to measure and communicate environmental performance, and gives examples of how this might be done. We describe a set of seven uses of a Green Biofuels Index, from a wholly market-driven implementation through a set of increasingly intrusive regulatory approach...

2012
Marja Ylönen

Neoliberalising technoscience and environment: EU policy for competitive, sustainable biofuels Book Chapter How to cite: Levidow, Les; Papaioannou, Theo and Birch, Kean (2012). Neoliberalising technoscience and environment: EU policy for competitive, sustainable biofuels. In: Pellizzoni, Luigi and Ylönen, Marja eds. Neoliberalism and Technoscience. Theory, Technology and Society. Farnham: Ashga...

2014
Helge Jans Janßen Alexander Steinbüchel

The idea of renewable and regenerative resources has inspired research for more than a hundred years. Ideally, the only spent energy will replenish itself, like plant material, sunlight, thermal energy or wind. Biodiesel or ethanol are examples, since their production relies mainly on plant material. However, it has become apparent that crop derived biofuels will not be sufficient to satisfy fu...

2012
Shuangning Xiu Bo Zhang Abolghasem Shahbazi

The development of products derived from biomass is emerging as an important force component for economic development in the world. Rising oil prices and uncertainty over the security of existing fossil reserves, combined with concerns over global climate change, have created the need for new transportation fuels and for the manufacture of bioproducts to substitute for fossil-based materials. T...

Journal: :Applied and environmental microbiology 2012
Juan Cesar Federico Ortiz-Marquez Mauro Do Nascimento Maria de Los Angeles Dublan Leonardo Curatti

Concerns regarding the depletion of the world's reserves of oil and global climate change have promoted an intensification of research and development toward the production of biofuels and other alternative sources of energy during the last years. There is currently much interest in developing the technology for third-generation biofuels from microalgal biomass mainly because of its potential f...

Journal: :Molecules 2016
József Popp Mónika Harangi-Rákos Zoltán Gabnai Péter Balogh Gabriella Antal Attila Bai

This review studies biofuel expansion in terms of competition between conventional and advanced biofuels based on bioenergy potential. Production of advanced biofuels is generally more expensive than current biofuels because products are not yet cost competitive. What is overlooked in the discussion about biofuel is the contribution the industry makes to the global animal feed supply and land u...

2015
Laura J. Vimmerstedt

The Biomass Scenario Model (BSM) is a system-dynamics simulation model intended to explore the potential for rapid expansion of the biofuels industry. The model is not predictive — it uses scenario assumptions based on various types of data to simulate industry development, emphasizing how incentives and technological learning-by-doing might accelerate industry growth. The BSM simulates major s...

2017
Umakanta Jena S. Kent Hoekman

Citation: Jena U and Hoekman SK (2017) Editorial: Recent Advancements in Algae-to-Biofuels Research: Novel Growth Technologies, Conversion Methods, and Assessments of Economic and Environmental Impacts. Front. Energy Res. 5:2. doi: 10.3389/fenrg.2017.00002 Editorial: recent advancements in algae-to-Biofuels research: Novel Growth technologies, Conversion Methods, and assessments of Economic and...

2005

Biomass residues can also be converted into various non-solid fuel forms. These fuels are referred to as biogas and liquid biofuels. The aim of this conversion process is to improve the quality, specific energy content, transportability, etc., of the raw biomass source or to capture gases which are naturally produced as biomass is micro biologically degraded or when biomass is partially combust...

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