There have been 20 master limited partnership IPOs this year, and it is as diverse a group as ever. Competing against the likes of CVR Refining (NYSE:CVRR) and Northern Tier Energy (UNKNOWN:NTI.DL), it is another variable-rate MLP that takes the crown as the best-performing member of 2013's brand-new MLPs. In this video, contributor Aimee Duffy talks to Tyler Crowe about Emerge Energy Services (NYSE:EMES), which has returned an outstanding 124% since its IPO in May.

Fool contributors Aimee Duffy and Tyler Crowe have no position in any stocks mentioned. Nor does The Motley Fool. 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.