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This paper presents the editorial for the Renewable and Sustainable Energy Reviews joint special issue devoted to the research work discussed and presented at the 11th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES), held from the 4th September to the 9th September 2016 in Lisbon, Portugal and the 2nd South East European (SEE) SDEWES Conference held from June 15th to June 18th, 2016 in Piran, Slovenia. This special issue is in line with the journal's aim of publishing research from across the ever-broadening field of renewable and sustainable energy with a strong review element. Previous SDEWES conference special issues have gathered a significant knowledge base in the field of sustainable development that reflects the continuous research efforts of the SDEWES research community. Therefore, this editorial provides not only an overview of the papers published in this particular special issue, but also a wider overview of the current trends in the domain of sustainable and renewable energy. This year's special issue focuses particularly on the benefits of the bio-based economy, energy security issues, fossil fuel thermal plant alternatives and environmental constraints, district heating and cooling together with cross sector energy efficiency and energy conservation issues. Sustainable transport systems, the issue of fuel poverty in urban neighbourhoods and renewable energy to support development of peripheral rural areas, optimising passive building design for hot climates and solar-powered heating and cooling are further topics featured in this special issue. In the process of selecting papers for this special issue, the guest editors invited in total 23 extended manuscripts for consideration for publication. After a rigorous review process by expert reviewers overseen by the guest editors a total of 16 articles were accepted for publication. [ABSTRACT FROM AUTHOR]

Energy model, a systematic data-intensive multi-objective framework replicating the energy sector of the country or globe, constitutes of energy resource supply, energy consumption sector-by-sector, energy transformation technologies, greenhouse gas emission and energy pricing. Considering the atypical weather pattern yearly and geographical diversity, the challenges and benefits of designing an energy model have been summarized. The paper has documented the tremendous jeopardy of drastic climate change, energy crisis on the global economy, requirement for transition to low carbon economy and rural electrification which have been impetus for the evolution of legitimate energy model. Special emphasis has been provided on the types of energy models that have been developed and practiced throughout the world followed by a comparative analysis of a few. The requirement to configure a unique energy model in India followed by certain recommendations has been proposed in this paper. [ABSTRACT FROM AUTHOR]

Abstract: Under the current wave of international responses to the growing threat of climate change, Taiwan cannot afford to step back from its goal of advancing its renewable energy, strengthening its energy self sufficiency and energy security. This paper will first analyze the high level dependency structure of Taiwan''s energy demands; then we will explore Taiwan current situation in terms of renewable energy development; furthermore from an overview of the course of changes and development in Taiwan''s energy policy, highlight the commitment to and aims of Taiwan''s Renewable Energy Development, made by the government at the Annual National Energy Conference. Fourth, we shall analyse technological R&D, incentives, taxes, market reforms and other related policy tools. Fifth, in light of public announcements and budgets set in recent years for Taiwan''s renewable energy research plan, highlight main strategies being given impetus by the government. Sixth, the author will discuss the implications of recent significant legal reforms to the development of renewable energy in Taiwan and from the correlating aspects of industrial structures and energy consumption, take the first steps in emphasizing the urgent need for adjustments to be made to Taiwan''s industrial structure. Finally, this paper will conclude by examining current policies, legislation and strategies which are in place to promote this area in Taiwan and discuss the potential competitiveness and future scenarios which the development of Renewable Energy could mean for Taiwan. [Copyright &y& Elsevier]

The energy crisis and climate change are being the global challenge for the present debate since the world is in need of a green, efficient, carbon-neutral energy source to replace fossil fuels. Bio- gas, produced by biomethanation from organic materials, contributes to durable, reliable and renewable energy. Production of bio methane from vegetable wastes provides a flexible carrier for renewable energy; methane can be used as a substitute fuel for both heat and power production. In this context, the Indian Government invited the support of the private sectors as before, for the development and utilization of Eco-friendly new and renewable sources of energy to cover the demand. The paper also reviews the current state of vegetables purposes for bio methane production, including their preparation methods and performance. The vegetable wastes for bio methane production are presented and their main advantages described in comparison with the other available method of mixture of vegetable wastes for methane production. The waste generated may cause health hazards, so, setting up a waste treatment plant based on biomethanation process is the solution to use the technology to generate electricity. [ABSTRACT FROM AUTHOR]