Running the plant on natural gas isn't feasible and start up time to bring it back online is 8 days.

The days of coal stopped more than 30 years ago; now the plant runs on natural gas and oil.

And by early in the next century, a number of fleet vehicles could be running on natural gas.

All four of these major units can also run on natural gas.

The devices are especially designed for automobiles that run on natural gas.

Many of the riders did not realize that the bus was running on natural gas.

There are very few vehicles that can currently run on natural gas directly.

Today the plant, a 10-minute drive from her house, runs on natural gas instead.

Many companies have built merchant plants that run on natural gas or coal.

If you have anything that runs on natural gas, cut the valve at the source.