Phillips 66 (PSX 3.89%) and its master limited partnership Phillips 66 Partners (PSXP +0.00%) have made the headlines recently, because of how high PSXP climbed during its first day of trading. It isn't the first refiner to find success with an MLP spinoff -- Marathon Petroleum's (MPC 5.48%) spinoff MPLX (MPLX +1.18%) is up more than 16% year to date -- and it doesn't look as if it will be the last. In this video, Fool.com contributor Aimee Duffy looks at Valero's (VLO 4.71%) recent affirmation of its plan to convert its logistics assets into an MLP.




