Lucas di Grassi set the pace in the last 30-minute free practice session ahead of qualifying for the Formula E round on the streets of Long Beach.
Lucas di Grassi recorded a sensational lap to top the second Formula E free practice session at Long Beach on Saturday morning.
After a belated start, a quick-fire practice was action packed ahead of imminent qualifying session.
Bruno Senna topped the charts in FP2.
The first of two practice sessions for the inaugural Formula E ePrix is complete.