CPS? I doubt it

Hey all. I was just getting to work today when my truck just died. I pressed the pedal to the floor and absolutely nothing happened. It was like the computer shut off fuel to the engine. I immideatly thought CPS, but I looked down and my tach was still registering. After about 3 seconds, the truck regained power like nothing had happened, for about 10 seconds, then the same exact thing happened again. When I drove home this afternoon, nothing like that happened. Any ideas? I work near a power plant, would some strange electrical current be messing with my computer? Thanks