The company that pioneered the Prius hybrid has drawn criticism for perceived foot-dragging on EVs. But Akio Toyoda wants it known that his company is pursuing carbon neutrality.

Automakers are pushing new uses for hydrogen that may, in turn, fan demand for the fuel and spur the development of a refueling network that could support sales.

The Corolla Cross H2 Concept is just one of many advancements in hydrogen combustion that Toyota rolled out at Fuji Speedway. Toyota is about 40 percent of the way toward commercializing its hydrogen combustion technology, a top executive says.

Both Hyundai and Toyota see hydrogen as a viable alternative to battery-electrics. Hyundai just made a bold move forward.