|
|
Posted by Don in Missouri [69.69.205.226] on Friday, November 30, 2012 at 10:16:18 :
In Reply to: cng posted by clueless [201.202.24.76] on Thursday, November 29, 2012 at 18:32:28 :
Compressed Natural Gas requires a large, heavy-walled clyndircal tank. In order to store enough gaseous fuel for any decent range, you have to compress a lot of gas under high pressure. This is also what makes refueling stations expensive to build and operate.
Propane doesn't take near as much pressure to liquify. Your tank doesn't have to be near as heavy, and you can store much more fuel in a dense liquid form.
CNG prices are low in the US right now, but that is temporary. The recent boom in production has got CNG salesmen in a rush to find new customers. Demand is growing domestically, which will rectify the current glut on the market. They are also preparing to liquify gas for export to foreign markets via super tankers. Once that infrastructure is in place, then US gas can be matched with global demand. Our doemstic surplus will be a thing of the past and all quantities will trade at the global price instead of the current land-locked price. All the while, production from all those new wells will be tapering off as the gas is depleted. So, if you are thinking about investing in a CNG system, don't plan on the gas staying as cheap as it is now.
Follow Ups: