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An old fuel-saving idea has been reinvented for the 21st century. In the developed world a 'Wonderbag' will save you money - elsewhere it helps save lives

The Commission of the Economic Community of West African States (ECOWAS) works towards a voluntary commitment to the Sustainable Energy For All Initiative of the UN Secretary General presented at the Rio+20. In a regional workshop, held from 25 to 27 June 2012 in Dakar, Senegal, the Directors of the ECOWAS Ministries of Energy agreed on the main targets and pillars of a regional renewable energy and energy efficiency policy of ECOWAS. The policies aim at the following objectives: Around 30% of the electricity consumption in the ECOWAS region will be saved through demand and supply side efficiency improvements by 2030. The share of renewable energy (incl. large hydro) of the total installed electric generation capacity of ECOWAS will increase to 35% in 2020 and 48% to 2030. The share of new renewable energy such as wind, solar, small scale hydro and bioelectricity (excl. large hydro) will increase to around 10% in 2020 and 19% in 2030. These targets translate to an additional 2.425 MW renewable electricity capacity by 2020 and 7.606 MW by 2030. To provide universal access to energy services it is envisaged that around 75% of the rural population will be served through grid extension and around 25% by renewable energy powered by mini-grids and stand-alone systems in 2030. By 2020 the whole ECOWAS population will have access to improved cooking facilities either through improved stoves or fuel switching to other modern forms of energy such as LPG. The share of ethanol/biodiesel in transport fuels will increase to 5% in 2020 and 10% in 2030. By 2030 around 50% of all health centers, 25% of all hotels and agro-food industries with hot water requirements will be equipped with solar thermal systems.