Cuban aviation officials have warned airlines of a fuel shortage for refueling on the islandHAVANA -- Cuban aviation officials have warned airlines that there isn't enough fuel for airplanes to refuel in the island, part of a critical energy rationing going into place as the Trump administration cuts the island off from its fuel resources, a commercial pilot confirmed on Monday.A notice was sent to companies and airline personnel on Sunday, said the pilot, who spoke on condition of anonymity because he was ...