Sivagnanam, Amutheezan, Afiya Ayman, Michael Wilbur, Philip Pugliese, Abhishek Dubey, and Aron Laszka. “Minimizing Energy Use of Mixed-Fleet Public Transit for Fixed-Route Service”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 17 (May 18, 2021): 14930-14938. Accessed January 22, 2022. https://ojs.aaai.org/index.php/AAAI/article/view/17752.