In addition, the technology to convert coal into liquid fuels is well established.

The ovens convert coal to coke in making steel.

In 1768 John Wilkinson built a more practical oven for converting coal into coke.

The plant, projected to cost $1.3 billion and create up to 150 jobs, would have converted coal into synthetic natural gas.

In this country there is a small factory in North Dakota that converts coal to natural gas.

If that runs out, we can convert and burn coal or wood.

It was originally the domain of many private companies, who all operated their own small gasworks which converted black coal into gas.

The utility plants that convert coal, gas or oil into electricity tend to be far cleaner than any under-the-hood power plant.

The technology can be used to convert natural gas, biomass or coal into synthetic fuels.

They use a water-intensive gasification process to convert coal to chemicals that are critical for a wide range of products.