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Metal Casting Technologies : December 2007
18 METAL Casting Technologies December 2007 BRIEFINGS and most efficient primary aluminum production facility in Germany. Deliveries are set to increase to 400,000 tons per year, feeding the aluminum cluster of rolling mills in Neuss and Grevenbroich, a unique asset within the light metal industry. Eivind Reiten, Hydro President and CEO, said, "Our recycling furnaces save us metal costs. They benefit our customers with shorter, faster ways to re-gain aluminium over and over again. Thus, we further strengthen a close, permanent material loop, enabling us to optimally capture and provide the energy-efficient benefits of our metal." Christa Thoben, Economy Minister for Northrhine-Westfalia, Germany´s largest federal state, emphasised that the aluminum industry, with a recycling rate of up to 80 per cent, is a major contributor to environmental and climate protection. "Our state is committed to this industry and wants to help to develop this location further," said Christa Thoben, adding that part of this had to do with the reliable and economically viable supply of energy. Eco-friendly, aluminum intensive buses for 2008 Olympics Zhengzhou Yutong Bus Company, Ltd, and Alcoa have announced the formation of a partnership to apply world- class structural design, materials and manufacturing technologies to develop a new generation of energy-efficient, environmentally-friendly buses for China's growing commuting public. The first element of the partnership will be the development of a new, environmentally-friendly bus design that will significantly reduce greenhouse gas emissions and improve fuel economy. It is anticipated that the prototypes will be ready in time for the 2008 Summer Olympic Games. "The partnership between Yutong Bus and Alcoa on the new sustainable bus demonstrates long-term commitment to the support of our government's policy to build mass transportation vehicles in harmony with society - people and the environment," said Tang Yuxiang, chairman and chief executive of Zhengzhou Yutong, China's largest bus manufacturer and the number two producer in the world. "We realise that reducing the weight of tomorrow's short- and long-range buses will be essential for improving their sustainability," added Yuxiang, "and that the intelligent application of aluminum is one of best methods possible to achieve such mass reduction." A recent study by the Institute for Energy and Environmental Research in Heidelberg, Germany, which was presented last month at the 2007 China Aluminum and Transportation Conference in Dalian, revealed that a weight reduction of 100 kg in a diesel-powered city bus making several stops will save 2,550 litres of fuel and significantly reduce C02 equivalent green house gas emissions over its lifetime. "Our goal, of course, is to work with Yutong to achieve significantly more than 100 kg weight reduction per vehicle," according to Jinya Chen, Alcoa's president for the Asia-Pacific Region. "Our companies believe that through the combination of aluminum spaceframe design and advanced manufacturing technologies, we can achieve 15 to 20 per cent weight reductions while maintaining the safety and enhancing the sustainability performance of a new family of buses," Chen added. Alcoa has been a leader in the development and integration of advanced aluminum alloys, vehicle structural design and advanced joining and assembly technologies for more than two decades. The company produces cast and extruded components for the Audi A8 aluminum space frame (ASF) in Germany and manufactures aluminum spaceframes for all Ferrari Gran Turismo vehicles in Italy. The aluminum industry is projected to be greenhouse gas neutral by the year 2020 as a result of projected use in the transportation market. This means that the savings in greenhouse gas emissions from lighter weight, more fuel efficient vehicles will more than offset emissions generated when the metal is first produced. "Yutong Bus Company looks forward to working with Alcoa to combine the best thinking of both companies to explore the opportunities that aluminum presents to develop a whole new family of 'Green' buses, not only for China but the world. This project shows Yutong and Alcoa as industry leaders in innovation and social responsibility," Yuxiang said. China, Australia set up light alloy research centre A Chinese aluminium company and an Australian university have signed an agreement in Beijing to set up an international light alloy research centre. The research centre to be set up by Aluminium Corporation of China Ltd, also known as Chalco, and Monash University of Australia, will focus on design, processing, performance analysis, promotion and application of light alloys as well as talent training. The establishment will provide strong technology and research support for Chalco and other Chinese companies who plan to have long-term investment in Australia, sources from the company said. Chalco, China's largest aluminum maker, won the bid for Australia's Aurukun bauxite project in March this year after edging out BHP Billiton, Xstrata, Comalco Aluminium, and Alcoa and Alcan. The project, with a construction cost of 3 billion Australian dollars, is designed to extract 7.5 million tons of bauxite and refine 2.1 million tons alumina annually. Chalco is listed in New York Stock Exchange, Hong Kong Stock Exchange and Shanghai Stock Exchange. Its market value exceeds US$80 billion.