Amid global electric-car buzz, Toyota is bullish on hydrogen

Instead, workers intently fit parts into place by hand with craftsmanship-like care. The big moment on the assembly line comes when two bulbous yellow tanks of hydrogen are rolled over and delicately fitted into each car's underside. While much of the world is going gung-ho for electric vehicles to help get rid of auto emissions and end reliance on fossil fuels, Japan's top automaker Toyota Motor Corp. is banking on hydrogen. Toyota sells about 10 million vehicles a year around the world. It has sold only about 4,000 Mirai fuel cell vehicles since late 2014, roughly half of them outside Japan.