This issue of gas is hot.

BBC: Why gas prices are so politically hot

This is more efficient than the hot gas which provides the thrust in a conventional rocket.

ECONOMIST: A large asteroid sweeps by Earth. Where are the others?

Low prices for natural gas are keeping their expenses low during this hot summer.

FORBES: 'Tis The Season To Buy A Utility Stock

Oil and gas this deep in the earth is often as hot as 450 degrees and at pressures 2, 000 times atmospheric.

FORBES: Blowout Suspected in Transocean Rig Explosion

If this continues for a bit longer, it could increase natural gas withdrawals, and if we see a hot summer, it could add to the woes for Rentech going forward.

FORBES: Surging Natural Gas Prices Takes Toll On Rentech