The following video is from Monday's MarketFoolery podcast, in which host Chris Hill, as well as analysts Matt Argersinger and Jason Moser, discuss the top business and investing stories of the day.

In a CNBC interview, Berkshire Hathaway (NYSE:BRK-A) (NYSE:BRK-B) CEO Warren Buffett mentioned the potential of natural gas to fuel railroads such as his Burlington Northern Santa Fe. Do Buffett's comments suggest a big upside for natural gas? What are the implications for energy companies such as Cummins (NYSE:CMI), Westport Innovations (NASDAQ:WPRT), and Clean Energy Fuels (NASDAQ:CLNE)? In this installment of MarketFoolery, our analysts discuss the future of natural gas stocks.

The relevant video segment can be found between 7:56 and 10:17.

For the full video of today's MarketFoolery, click here.

Chris Hill has no position in any stocks mentioned. Jason Moser owns shares of Berkshire Hathaway. Fool contributor Matthew Argersinger owns shares of, and has long January 2014 $80 calls on, Berkshire Hathaway and also has long January 2015 $25 calls on Westport Innovations. The Motley Fool recommends Berkshire Hathaway, Clean Energy Fuels, Cummins, and Westport Innovations and wns shares of Berkshire Hathaway, Cummins, and Westport Innovations. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.