Like many other automakers, BMW has expended plenty of research and development on hydrogen fuels. But unlike every other automaker, BMW has focused on liquid hydrogen with internal combustion engines ...

Pedal-assist bikes are proving a popular choice for folks looking to get to work, do the weekly shop or just go for a leisurely ride. But most offer a fairly limited motor-assisted range and long wait ...

Visitors to the gas technology exhibition examine the newly unveiled hydrogen fuel-cell bike yesterday. A concept bike driven by an environmentally clean hydrogen fuel cell was unveiled at an ...