Reuters: State-controlled Abu Dhabi Future Energy Co (Masdar) said it would cost $22 billion to develop a "no-carbon" urban district it is planning in the United Arab Emirates. The district, Masdar City, on the edge of the city of Abu Dhabi, will eventually be home to 50,000 people and 1,500 businesses, Masdar said in a statement. No cars will be allowed. Abu Dhabi, capital of the world’s fifth-largest oil exporter, will invest $4 billion of equity in the project, and borrow …