Some forecasts peg North American energy independence at just a few years off, but other experts...

|By:, SA News Editor

Some forecasts peg North American energy independence at just a few years off, but other experts aren't so sure. "Unless something seriously changes in the next five years, we'll be standing in gas lines," ex-Shell exec John Hofmeister says. Forecasts understate the decline rate of shale fields, he says; firms will need to drill wells at a rate "beyond the capacity of the industry as currently defined."