91 The California Air Resources Board proposed decision can be viewed here: https://ww2.arb.ca.gov/rulemaking/2022/advanced-clean-cars-ii
92 The White House. FACT SHEET: President Biden Announces Steps to Drive American Leadership Forward on Clean Cars and Truck. August 05, 2021. Retrieved from: https://www.whitehouse.gov/briefing-room/statements-releases/2021/08/05/fact-sheet-president-biden-announces-steps-to-drive-american-leadership-forward-on-clean-cars-and-trucks/
93 Environmental Defense Fund. Inflation Reduction Act gives truck electrification a dose of adrenaline. September 12, 2022. Retrieved from: https://blogs.edf.org/energyexchange/2022/09/12/inflation-reduction-act-gives-truck-electrification-a-dose-of-adrenaline/