Energy investors looking for opportunity beyond oil and gas would do well tracking the initiatives of giant companies like Google (NASDAQ:GOOGL) and Wal-Mart (NYSE:WMT). The sheer size of these behemoths can make a big difference in the types and quantities of energy and energy-related products and services we consume. In this video, contributor Aimee Duffy looks at recent moves by these two behemoths, illustrating why investors should be paying attention.

Fool contributor Aimee Duffy has no position in any stocks mentioned. Fool contributor Tyler Crowe has no position in any stocks mentioned. The Motley Fool recommends Google. The Motley Fool owns shares of General Electric Company and Google. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.