As approved by the Spanish Cabinet, the plan targets industry, transport, agriculture and public services in aiming to reduce domestic energy requirements by the equivalent of 12 million metric tons of oil each year. Refered to as E4, the three-year plan aims to cut Spanish energy use by 8.5% by 2008, thus reducing total carbon dioxide emissions by 32.5 Mt. The plan centers on a 0.8% levy on consumers electricity bills to finance the replacement of 2 million low-efficiency domestic appliances and the creation of green transport schemes for large workplaces. The plan also stipulates energy audits in several industrial sectors and improved building insulation. In 2006, the Spanish government published 22 strategic priorities, organized by sector.