https://grist.org/article/ctl-follies/
Coal-to-liquid is a dead end if there's a price on CO2 | Grist
May 12, 2012 - One final post on this week's liquid coal hearing. Forbes wrote up the hearing and got my bluntest quote: "Coal-to-liquid is just a dead end, from a climate...
coal to liquid
https://www.airandspaceforces.com/darpaseeksbettercoal-to-liquidfuelprocess/
DARPA Seeks Better Coal-to-Liquid Fuel Process | Air & Space Forces Magazine
coal to liquidair space forces