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Energy consumption. --- Consumption of energy --- Energy efficiency --- Fuel consumption --- Fuel efficiency --- Power resources --- Energy conservation

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Energy consumption. --- Consumption of energy --- Energy efficiency --- Fuel consumption --- Fuel efficiency --- Power resources --- Energy conservation

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This paper develops a new methodology for calculating the "carbon footprint" of air travel whereby emissions from travel in premium (business and first) classes depend heavily on the average class-specific occupied floor space. Unlike methods currently used for the purpose, the approach properly accounts for the fact that the relative number of passenger seats in economy and premium classes is endogenous in the longer term, so adding one additional premium trip crowds out more than one economy trip on any particular flight. It also shows how these differences in carbon attributable to different classes of travel in a carbon footprint calculation correspond to how carbon surcharges on different classes of travel would differ if carbon emissions from international aviation were taxed given a competitive aviation sector globally. The paper shows how this approach affects carbon footprint calculations by applying it to World Bank staff travel for calendar year 2009.

Airline fuel consumption --- Carbon footprints --- Carbon taxes --- Class-specific seating arrangements --- Energy --- Environment

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The United Kingdom is preparing for a deep decarbonisation of its energy system. The country has decided to halve its greenhouse gas emissions from 1990 to 2027 and to cut them by a total of 80% by 2050. For this to happen, significant private-sector investment in new energy infrastructure is needed. As it seeks concrete solutions to the low-carbon investment challenge, the United Kingdom is leading by example. The UK’s proposed Electricity Market Reform is a pioneering effort that will be closely observed by other countries. Ideally, this complex and ambitious reform would in the long run lead to a more liberalised marketplace in which low-carbon power generation technologies compete to deliver innovative and least-cost outcomes. Security of supply remains a key focus of energy policy. Fossil fuel production in the United Kingdom has peaked, and a fifth of the country’s ageing power generating capacity will have to be closed this decade. However, oil and gas imports are well diversified, and the government intends to promote various technologies to generate low-carbon electricity – renewable and nuclear energy and carbon capture and storage. More efficient energy use is essential to both decarbonisation and energy security. The Green Deal programme, which the UK plans to launch later this year, aims to improve energy efficiency in buildings and public spaces. The programme has the potential to help energy consumers overcome economic challenges, but for it to succeed, the general public must be sufficiently aware of its benefits.

Energy policy --- Energy conservation --- Power resources --- Energy consumption --- Consumption of energy --- Energy efficiency --- Fuel consumption --- Fuel efficiency --- United Kingdom

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Sweden has made progress in recent years towards a more secure, sustainable energy future. The Scandinavian nation already has an almost carbon-free electricity supply and has phased out oil use in residential and power sectors. It is increasingly integrated within the Nordic and Baltic electricity markets, and its joint renewable electricity certificate market with Norway offers a unique model for other countries. Now Sweden must take concrete steps to realise its vision of a fossil-fuel-independent vehicle fleet by 2030 and no net greenhouse-gas emissions by 2050. Although Sweden has decided to allow the replacement of its existing nuclear reactors, further emission reductions will come at a higher cost and require technology change. This means Sweden will need to carefully evaluate the most cost-effective pathways for its transition to a low-carbon economy. Sweden has a high energy-intensity level, which requires greater energy efficiency in industry, buildings, heat and transport.  A decarbonisation vision should be mapped out for each industry sector. Starting with transport, Sweden must specify how it will wean its vehicle fleet from fossil fuels by 2030. Sweden’s industry lead in smart grids is an asset. Sweden should scale up investment in clean energy technologies. As all Nordic countries decarbonise, cost-effective regional solutions can control consumers’ costs. The large-scale deployment of renewable and energy technologies in a common Northern European energy market can drive decarbonisation without comprising competitiveness, security of supply and affordability. This review analyses the energy-policy challenges currently facing Sweden, and provides studies and recommendations for each sector.

Energy policy --- Energy conservation --- Power resources --- Energy consumption --- Consumption of energy --- Energy efficiency --- Fuel consumption --- Fuel efficiency --- Sweden