Here's the issue:
By baking coal rather than burning it
From the article he said it was 40% gas, and you'd get 130 gallons of fuel from a ton. The trouble is 1 ton of coal is equal to about 180+ gallons of fuel oil so I really don't see the point. You're wasting energy to create a specific product, instead they should invest in burning it cleanly and efficiently to produce electricity which in turn could be used to power electric cars.