At cell towers in extreme temperature environments, Nanophosphate EXT further reduces operating and maintenance costs by minimizing or eliminating the need for air conditioning or heating.
But until recently they have suffered from a low power-to-weight ratio, unlike the other sort of room-temperature fuel cell, the temperamental and costly proton-exchange-membrane device, which several firms hope soon to use in motor cars.
As he pumped the stock with press releases like the one claiming Digital Gas had a "high temperature fuel cell" that would unlock as much as 1.1 billion gallons of oil from a neglected oil shale deposit, New Jersey officials say, Smith was using stock to renovate his home and pay his attorney.