When you buy through our links, we may earn a commission. Learn more› By Bianca Alba After a new round of testing, the Njoy Pure Plug remains our top pick. With the proper preparations ...

On Tuesday, Plug Power, Inc. (NASDAQ:PLUG) confirmed that its new 15-ton-per-day hydrogen plant in St. Gabriel, Louisiana, is on track for its first-quarter operations. The facility, a joint ...