In California's push toward a zero-emission future, fleet operators face a dual challenge: acquiring clean vehicles and building the infrastructure to support them. The state's Hybrid and Zero-Emission Truck and Bus Voucher Incentive Project (HVIP) has been a game-changer, providing substantial vouchers to offset the cost of zero-emission trucks and buses. However, charging infrastructure often remains a bottleneck, with grid upgrades delaying deployments and inflating costs.