1. Bettoli A, Heineke F, Janecke N, Nyheim T, Schlosser A, Spitzer S, Staudt C, Winter R, Zivansky J. Renewable-energy development in a net-zero world: disrupted supply chains. Global Publ. 2023;
2. Anderson RH. Delta’s CEO on using innovative thinking to revive a bankrupt airline. Harv Bus Rev December 2014.
3. Carey S, Gonzalez A. Delta to buy refinery in effort to lower jet-fuel costs. Wall Street J. 2012. This article presents the basic facts of the original acquisition that motivates this work.
4. Helman C. Jet fooled. Forbes. 2015;195(2):42–45. This article moves Delta’s story forward, noting that the acquisition had not gone as well as hoped for Delta.
5. Postrel V. Delta’s oil refinery plan flies against economics. Bloomberg BusinessWeek. 2012. https://www.bloomberg.com/opinion/articles/2012-04-19/delta-s-oil-refinery-plan-flies-against-economic-sense#xj4y7vzkg.