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.