2-3 years? try twice that, minimum
You think natural gas prices are going high in 2-3 years? Take that bet to the futures market and make a fortune then... natural gas is priced cheap for the next 5-10 years, minimum.
Yeah, 7 years down the road things might be different ... the rest of the world hasnt started shale fracking yet. In 7 years, maybe natural gas will be cheap everywhere, after Argentina, Ireland, China, India, Australia, start fracking in earnest,
The have shales in the Middle East actually. God knows how many hydrocarbons those guys are going to frack out once the tech goes over there...
But at any rate, 2-3 years to spendy natural gas is absurd. 7 years is possible ... so what? 7 years is a long time for some new technology to come along.