Sunday, April 4, 2010

World’s tallest tower saves 3,200 KW daily | ummid.com

World’s tallest tower saves 3,200 KW daily ummid.com
Dubai’s Burj Khalifa, the world’s tallest tower, saves up to 3,200 KW of energy every day by tapping solar power to heat the 140,000 litres of water required by its occupants.