Plug Power (NASDAQ: PLUG) recently released its Q2 earnings. Reporting a $0.12 loss per share adjusted for non-recurring items, the company came up short of analysts' expectations of an $0.08 loss. Although investors may have been shocked by the miss, there were some hopeful signs in the quarterly report.Achieving its second-quarter guidance, Plug Power reported revenue of $39.9 million, excluding customer warrants.