California is front and center in the spotlight this week as it showcases a first-of-its-kind hydrogen fuel cell garbage truck touring the streets of San Francisco. This innovative truck, powered by green hydrogen in the fuel cell, sets a new standard by emitting only water vapor instead of diesel fumes. The move towards green hydrogen from renewable sources is gaining momentum, thanks to government subsidies and funding from the US Department of Energy's Regional Clean Hydrogen Hubs program. The article delves into the debate between fuel cell electric vehicles (EVs) and battery EVs, highlighting the advantages of fuel cells in heavy-duty applications like garbage trucks. With California leading the charge, the push for green hydrogen infrastructure is on the rise to support the transition to cleaner transportation options. The successful trial of the fuel cell truck in San Francisco marks a significant milestone, with plans for further trials in other cities. The goal is to showcase that zero-emission fuel cell trucks can perform equally well, if not better, than diesel-powered or battery-powered trucks. Looking ahead, the Regional Clean Hydrogen Hubs program in California aims to establish fueling stations and pipelines for green hydrogen production to support not only the new fuel cell trucks but also a range of other vehicles and equipment. The substantial investment in green hydrogen infrastructure signals a strong commitment towards decarbonization and sustainable transportation in the region.