This article reviews vehicles powered by hydrogen engines as an alternative to traditional fossil fuels. The aim is to find cleaner ways to power cars due to concerns about the environment and rising fuel costs. The focus is on different types of hydrogen-powered vehicles available on the market and how technology has evolved to make them viable options for consumers. The research looks at vehicles that run solely on hydrogen as well as those that use a mix of hydrogen and regular fuels. It highlights the advancements made by leading vehicle companies in developing these eco-friendly vehicles.