With oil prices collapsing and companies in retrenchment, a federal auction in the Gulf of Mexico on Wednesday attracted the lowest interest from producers since 1986. It was the clearest sign yet that the fortunes of oil companies are skidding so fast that they now need to cut back on plans for production well into the future. The auction, for drilling leases, attracted a scant $22.7 million in sales from five companies, but energy analysts said that came as no surprise on a day when the American oil benchmark price plummeted by more than 4 percent. For the first time since the recession, it is approaching the symbolic $40-a-barrel level. Last summer, it was above $100 a barrel. A glut on American and world […]