Almost 2 years after Exxon Mobil removed billions of barrels of oil-sands crude from its reserves, its Imperial Oil unit is investing again. (Bloomberg) — Almost two years after Exxon Mobil Corp. removed billions of barrels of oil-sands crude from its reserves, its Imperial Oil Ltd. unit is investing again, saying low Canadian crude prices that scared off the other majors make it a perfect time to build. Imperial Chief Executive Officer Rich Kruger puts the rationale for the C$2.6 billion ($2 billion) Aspen project in northern Alberta down to building when others aren’t to save money. “It’s a bit countercyclical in that there’s not a lot of investment in construction going on,” Kruger told reporters Wednesday. “So if you want the highest performance from contractors and tradesmen and safety and productivity, it’s a good time to build.’’ The decision comes in stark contrast to moves by Royal Dutch […]