Greenpeace, the Council of Canadians and other groups have previously spoken out against Energy East.While most efforts have thus far focused on TransCanada Corp's Keystone XL line, Pembina's report may spur more debate over the impact of the company's other big project, Energy East, which would be Canada's biggest at 1.1 million barrels per day (bpd), larger than Keystone.Producing the crude oil