Which energy stocks will produce in the future? Do falling oil prices spell trouble for energy stocks? Are alternative-energy companies still a good alternative for investors? In this installment of "Fool Video," online managing editor LouAnn DiCosmo and senior analyst Tim Hanson take stock in Chesapeake Energy (NYSE: CHK), ExxonMobil (NYSE: XOM), First Solar (Nasdaq: FSLR), Petrobras (NYSE: PBR), and Valero (NYSE: VLO).

Get more of Tim's take on alternative-energy stocks.

Check out some of our other Fool Fare: