When Audi revealed its FE07 race car last week, it didn't tell us it would be the company's last Formula E car. [credit: Audi ] Formula E probably hoped that its preseason test would be the cause of many headlines this week. Ahead of the electric racing series' seventh season start in Chile in January, 12 teams gathered at a race track in Valencia, Spain, to run their new cars in earnest for the first time.