Plug Power's upcoming Q3 earnings report will certainly be among the most closely-watched reports for Plug in its history. Investors know how pivotal hydrogen fuel cell technology can be for key industries such as long-haul trucking, and the role Plug Power plays in this space is noteworthy. However, the ability of such companies to provide these comprehensive solutions while doing so at a profit is what investors want to see. Or, at least, a pathway toward profitability.