Variable-rate master limited partnerships such as CVR Refining (NYSE:CVRR) and Northern Tier Energy (UNKNOWN:NTI.DL) have been magnets for investor attention this year. These two refining MLPs posted high yields earlier this year but have since come back to Earth. PetroLogistics (UNKNOWN:UNKNOWN), on the other hand, is one variable-rate MLP that's still sporting a high yield, and coming off a recent 55% quarter-over-quarter distribution increase. In this video, contributor talks to Tyler Crowe about what PetroLogistics does, and why investors looking for yield should keep it in mind.

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.