Toyota is redefining the landscape of clean transportation with a bold bet on hydrogen technologies. Often dubbed the “Toyota water engine,” these systems emit only water vapor, not pollution. At the core are hydrogen fuel cells and hydrogen combustion engines, both gaining traction. Compared to traditional EVs, hydrogen vehicles refuel in minutes and often offer greater range. Infrastructure challenges remain, however, including sparse fueling stations and supply chains. Costs are also a hurdle—fuel cell stacks and hydrogen production aren't yet widely affordable. To address this, Toyota is investing heavily in hydrogen manufacturing and supply networks. Plans include new hydrogen factories and scalable production facilities across key markets. The company is also developing low-cost fuel cell systems to increase consumer viability. Multi-tank h ...