IndyCar to use hybrid technology to boost horsepower, safety
Will Power (12) leads Scott Dixon through a corner during the IndyCar Series auto race, Sunday, July 28, 2019, at Mid-Ohio Sports Car Course in Lexington, Ohio. (AP Photo/Tom E. Puskar)

Will Power (12) leads Scott Dixon through a corner during the IndyCar Series auto race, Sunday, July 28, 2019, at Mid-Ohio Sports Car Course in Lexington, Ohio. (AP Photo/Tom E. Puskar)

Jul. 28, 2019 06:45 PM EDT
Alexander Rossi leads Santino Ferrucci through a corner during an IndyCar Series auto race, Sunday, July 28, 2019, at Mid-Ohio Sports Car Course in Lexington, Ohio. (AP Photo/Tom E. Puskar)

Alexander Rossi leads Santino Ferrucci through a corner during an IndyCar Series auto race, Sunday, July 28, 2019, at Mid-Ohio Sports Car Course in Lexington, Ohio. (AP Photo/Tom E. Puskar)

Jul. 28, 2019 06:45 PM EDT
Will Power (12) leads Alexander Rossi (27) and Josef Newgarden (2) at the start of an IndyCar Series auto race, Sunday, July 28, 2019, at Mid-Ohio Sports Car Course in Lexington, Ohio. (AP Photo/Tom E. Puskar)

Will Power (12) leads Alexander Rossi (27) and Josef Newgarden (2) at the start of an IndyCar Series auto race, Sunday, July 28, 2019, at Mid-Ohio Sports Car Course in Lexington, Ohio. (AP Photo/Tom E. Puskar)

Jul. 28, 2019 06:32 PM EDT
Ryan Hunter-Reay races his car during the IndyCar Series auto race, Sunday, July 28, 2019, at Mid-Ohio Sports Car Course in Lexington, OH. (AP Photo/Tom E. Puskar)

Ryan Hunter-Reay races his car during the IndyCar Series auto race, Sunday, July 28, 2019, at Mid-Ohio Sports Car Course in Lexington, OH. (AP Photo/Tom E. Puskar)

Jul. 28, 2019 06:42 PM EDT