Currently, cars last around 25 minutes before needing to be recharged, so drivers have to switch to a second car mid-race. For the fifth season of Formula E, which begins in December, each car will sport a battery large enough to make it through an entire 50-minute race. They will also feature a more aerodynamic design to compensate for the added weight. The million-dollar cars promise a top speed of upwards of 170 miles per hour, more than 30 miles per hour faster than their predecessors and closer to the speed of NASCAR and Formula 1 race cars.