Reuters: Ontario will join a climate-change initiative led by California without adopting that state’s tough pollution standards for cars, a newspaper said on Monday. Premier Dalton McGuinty last week reassured auto industry officials his province won’t impose stringent emissions standards championed by a coalition of 10 U.S. states and Canadian provinces even though Ontario planned to join the group, sources familiar with the talks told the Globe and Mail. In a compromise negotiated by …