Massive vehicles (10,000lbs or heavier) generally used for long-haul logistics contribute 25% of whole US highway transport emissions however represent solely 10% of automobiles, in accordance with a February 2022 report by the nonprofit Union of Involved Scientists. As such, decarbonising these fleets would characterize a big coup for nationwide surroundings targets.
Up to now, electrical powertrains stay impractical for this use case. Longer routes require bigger batteries and due to this fact extra weight, much less car vary, and lowered cargo capability. Additionally, complete charging infrastructure throughout the US doesn’t but exist, and it stays to be seen whether or not grids might maintain quick charging for the estimated 13 million truck parc.
For some, this makes hydrogen—utilized in both a gasoline cell system or inner combustion engine (H2ICE)—a extra probably zero-carbon successor to diesel. Gasoline cells entail funding in costly know-how that at the moment lacks sturdiness for intense functions. By comparability, H2ICE requires modifications to present truck engines, making the transition simpler to handle. Nonetheless, to fulfil its potential as a disruptive resolution for decarbonising long-haul trucking, a serious problem have to be tackled: the refuelling course of.