Reuters: Australia plans to auction carbon permits to 1,000 of the country’s biggest companies, covering 75 percent of national greenhouse emissions, under its emissions trading system due to start from July 2010. Following is a brief description of how much the government expects to raise from selling permits, and how the money will be spent to help ease the costs to business and consumers. Legislation for the scheme was released on Tuesday. HOW MUCH WILL IT COST? The …