With natural gas prices up more than 50% from last year's historic lows, several natural gas producers are finally seeing margins expand again, and none more so than the low-cost producers. In this video, Motley Fool energy analysts Joel South and Taylor Muckerman discuss several low-cost natural gas producers that have been able to ramp up production significantly this year while keeping costs low, and are now sitting in prime position to profit from the trend of rising natural gas prices.