Gas pains

摘要

THE DIAGNOSIS IS NOT GOOD FOR NORTH American consumers.A steadily growing appetite for energy consumables,a shrinking continental supply of such consumables and a reluctance to look offshore for future diet supplements leaves but one prognosis:moderate to severe gas pains.Virtually everyone agrees that all the low-hanging fruit on the North American gas tree has been plucked,leaving increasingly less accessible and more expensive reserves to pick up the slack.