MADISON, IL - AUGUST 25: Sunoco technicians place fuel in the box in the pit of Graham Rahal, driver of the #15 Rahal Letterman Lanigan Racing Honda, before the start of the Verizon IndyCar Series Bommarito Automotive Group 500 presented by Valvoline & Axalta on August 25, 2018, at Gateway Motorsports Park in Madison, Illinois. (Photo by Michael Allio/Icon Sportswire)