Bloomberg: Chemical, steel, automobile and other energy-intensive factories would have to submit annual reports to the federal government on their greenhouse gas emissions under a proposed U.S. Environmental Protection Agency rule that lays a foundation for fighting global warming. About 13,000 facilities that account for as much as 90 percent of greenhouse gas emissions would have to comply, the EPA said in a statement today. The first reports would be submitted in 2011 and cover emissions in …