Hydrogen fuel cell electric vehicles, despite not gaining as much traction as battery electric vehicles (BEVs), represent a potential future in sustainable transport. The vehicles generate electricity through a chemical reaction between hydrogen and oxygen, producing only water vapor and warm air as byproducts, making them zero-emission alternatives. Unlike BEVs that use lithium-ion battery packs, hydrogen cars rely on the hydrogen-oxygen reaction to power their motors, offering fast refueling times and a range of about 400 miles per tank. However, challenges such as limited refueling stations and higher fuel costs compared to gasoline or electricity hinder their mass adoption. Toyota remains a prominent automaker investing in hydrogen technology, highlighting that hydrogen vehicles cater to specific needs based on customer factors and infrastructure availability. The effectiveness of hydrogen cars compared to BEVs and gas-powered vehicles is still being evaluated. The sustainability of hydrogen vehicles depends on the production of clean hydrogen from renewable sources to ensure their eco-friendliness. While hydrogen fuel cell electric vehicles are currently a niche market primarily situated in areas with existing hydrogen infrastructure like California, Japan, and parts of Europe, their zero emissions, fast refueling, and long range keep them relevant in discussions about clean transportation's future. As the technology advances, hydrogen vehicles will need to compete with fossil-fueled vehicles and EVs from various manufacturers in the evolving automotive industry.