Natural gas units, which are relatively clean, have become popular in recent years.

With the relaxing of limits on oil exploration, overseas companies will be allowed to set up wholly owned oil and gas units.

Water inside the houses was in most cases heated by means of wall mounted gas units, prior to the availability of electricity.

This gas unit has plenty of power and cuts branches more than 1/2 inch in diameter.

Goodyear also said it would sell its Celeron oil and gas unit.

Profit in the diversified natural gas unit rose to $113 million, from $90 million in the period a year ago.

To insure reliable, uninterrupted power, our system has a supplemental natural gas unit.

Today's chain saws come in cordless and electric models as well as gas units.

Good gas units go up from there to $350 or more.

The major drawback of this gas unit is that it lacks a self-cleaning oven.