1. Hydrogen cost per kg includes S$2.00/kg production cost, US$3.89/kg other costs, and US$0.80 to US$1.76 station cost;Liu;FCET has incremental costs of US$54,981 over diesel trucks,2013
2. The battery cost of medium and heavy-duty vehicles is US$375/kWh (2021);Mjb & A Battery;Heavy truck Class 6-7 (US$187
3. Australian Trucking Association (ATA) 2018. Truck impact chart -Technical Advisory Procedure;Australian Bureau of Statistics (ABS) 2021. Motor Vehicle Census,2016