In this segment of The Motley Fool's energy-focused show, Digging for Value, energy analysts Joel South and Taylor Muckerman discuss recent headlines and take a dive into master limited partnerships. With interest rates expected to rise, investors are worried that MLPs will refinance at higher interest rates and raise the cost of capital for the firms. While this worry is well founded, investors shouldn't sell on this concern alone. In the following video, Joel tells investors what to watch for and picks a few companies he sees as long-term winners, even in a rising-interest-rate environment.