Electric car manufacturer ZAP has announced plans to show a “Made for iPod” car next week at Macworld Expo in San Francisco. The company said it will be designing its cars to include a head unit made for the iPod that will play music through the car speaker system as well as recharge using the ZAP Recharge-It-All made for iPod battery system. The first cars equipped with this technology are expected to be available later this year, and…