The fuel cell provider announced a large partnership with an oil and gas giant for its new hydrogen electrolyzer technology. Shares of Bloom Energy (BE -0.85%) rallied 28.2% in March, according to data from S&P Global Market Intelligence. The fuel cell and electrolyzer manufacturer sold off hard after its fourth-quarter earnings report in February, so the stock was perhaps primed for a rebound on any good news. The announcement of a major collaboration on hydrogen technology with a prominent oil and gas gia ...