https://www.wsj.com/articles/californias-green-energy-subsidies-spur-a-gold-rush-in-cow-manure-11645279200
https://www.bbc.com/news/business-60473233
https://www.wkbw.com/am-buffalo/be-prepared-with-propane
https://qz.com/2130711/electric-vehicles-make-it-harder-to-quell-fire-on-felicity-ace-cargo-ship/