After the "dramatic halving" of the oil price since June, says Nick Butler onblogs.ft.com, "there is every chance that gas will follow suit".
After spiking last February amid unusually cold weather, US natural gas futures dropped by nearly a third in 2014. They have now hit a two-year low of $2.9 per million British thermal units (mmBtu).
As with oil, supply has outstripped demand. Production, spearheaded by the US shale revolution, beat expectations this summer, and stockpiles look healthy, at 8% above last year's level. New pipelines in the northeast of the US have enabled producers to get all their output to market, notes Lex in the FT.
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The US Energy Information Administration reckons the extra supply "will more than cover any shortfall". Warm weather has tempered demand, making a shortfall even less likely.
"The threat of low inventories in the winter is gone," concludes Kent Bayazitoglu of Gelber & Associates.
No wonder, then, that US shale gas explorers' shares have suffered almost as much as oil explorers' stocks since the summer.
In the long run, more stringent environmental regulation is likely to prompt more industries and homes to opt for natural gas, the cleanest fossil fuel. But for now, as Lex puts it, "do not expect much improvement".
