https://www.forbes.com/sites/mergermarket/2017/09/14/texas-frac-sand-in-demand/2/#25b94a6f5b11
https://www.bloomberg.com/news/articles/2017-09-15/two-weeks-after-harvey-cheniere-s-running-more-gas-than-ever
http://www.chron.com/business/energy/article/Koch-Industries-opens-new-Texas-to-Mexico-fuel-12200444.php
https://www.bizjournals.com/sanantonio/news/2017/09/15/corpus-christi-refinery-to-emerge-as-supplier-in.html