Today, Motley Fool analyst Rex Moore reveals the results of his "Next Home Depot" screen for August. The screen attempts to find companies with negative free cash flow that are reinvesting heavily back into their business. Hear Rex's commentary in the following video, see the full list of companies on his discussion board, and track the results of the screen in this CAPS profile.

Clean Energy Fuels is one of the passing companies. It's a risky play in the energy sector, but there's a far more stable stock out there that should benefit no matter which way the energy winds blow. Find out more in our special report, "The Only Energy Stock You'll Ever Need." It's free for the taking.