This hydrogen vehicle can drive all day on a single tank of fuel. It uses state-of-the-art fuel cell technology – and emits only one thing: pure water. Hydrogen vehicles have already been successfully tested in numerous cities worldwide. Over 5,600 hydrogen buses are in operation, the majority of them in China. Compared to battery-powered electric buses, hydrogen fuel cell buses offer a significantly greater range and longer operating times. They can travel around **450 kilometers without refuel