FORT MCMURRAY, ALTA. — Imperial Oil Ltd. has filed a plan for the interim cleanup of one of the largest oilpatch spills in Alberta history but hasn’t released any details on the plan or the two toxic releases at its Kearl oilsands mine. Neither Imperial nor the Alberta Energy Regulator are releasing new information about …Continue reading帝国石油文件清理计划尾矿泄漏in Alberta, won’t disclose details