Foote Cone & Belding (FCB), Irvine, Calif., selected Dastmalchi, Newport Beach, Calif., as its mobile marketing agency for the Taco Bell Los Angeles field account. During the month of August, Dastmalchi's bilingual mobile marketing crew will travel in customized vehicles throughout the Los Angeles DMA promoting Taco Bell's "Late Night" message and their exclusive new Mountain Dew Baja Blast beverage.