Hydrogen fuel-cell passenger vehicles may remain part of Toyota's product plans, the company suggested in a tech announcement ...

A single hydrogen fuel cell delivers a low voltage, so manufacturers "stack" fuel cells together in a series, as in a dry-cell battery. The more layers, the higher the voltage. Electrical current ...

One of the most promising alternatives is hydrogen fuel cells ... Senergy has achieved incremental improvements in fuel cell stack power density that meets the ever-growing demand for higher ...