Coal to liquid en Coal to liquid projects have uphill climb <p>Over the years, many researchers have looked at a variety of research and economic development projects using Wyoming coal.&nbsp; The idea is to open up new markets for it and to make it more viable for businesses and the public to use.&nbsp; Much of this has surrounded coal gasification.&nbsp;&nbsp; There has been a belief that coal could be used as a form of liquid fuel.&nbsp; That was especially useful when oil supplies appeared limited in the United States…but as the country entered a technology revolution and opened up more resources…the interest dropped.&nbsp; Experts say that the oth Fri, 19 Apr 2013 21:46:57 +0000 Bob Beck 39574 at Coal to liquid projects have uphill climb