PetroChina, a part of the China National Petroleum Corporation (CNPC), has signed an agreement to purchase a 20% stake in Shell Canada’s shale gas assets northeastern British Columbia.  ”I can confirm that CNPC will join us in Canada,” said Shell’s Chief Executive Officer Peter Voser. “It’s part of our global partnership to optimize our business working environment inside and outside China.” This is part of a plan from China to buy up energy assets from Canada going back to 2001.  The reason [...]