A $146-a-day rental car. More than $300 to stay at the Best Western. And let’s not forget the $60 you’ll pay just to put two suitcases on the plane. It’s back to the future for the travel industry, which is slowly beginning to recover from the recession—and raising costs in the process. While many people are still staying home, experts say the economy has forced companies to reduce capacity and get even more sophisticated about managing inventory, opening the door for price hikes.