Public News Service: More than 55 groups and individuals are petitioning the federal government to halt plans to pump corrosive tar-sands oil from Canada to American ports for export.
Current regulations are inadequate, they say, and raise the risk of catastrophic spills. Petitioners are out to stop both the Keystone XL pipeline and a plan to use an existing, aging pipeline to send tar-sands oil across New England to Portland.
The corrosive tar sands, which Canadian companies want to sell and ship overseas, would...