Hi Lab has unveiled HyDee, a portable hydrogen fuel-cell power unit designed to replace conventional lithium batteries in ...

Power outages are a huge pain and can seriously disrupt your life. Skip the worry by investing in a generator. We found the best deals you can get on generators, power packs and even car jump starters ...

Hydrogen fuel cells, which power some electric cars, pack far more energy per weight than lithium-ion batteries. The devices also show promise for decarbonizing aviation, shipping, and trucking. But ...