
The Internal Combustion Engine (ICE) period is evolving as North America’s premier open-wheel championship pairs the current 2.2-liter twin-turbo V6 engine, a pillar for the series since 2012, with hybrid technology beginning at the upcoming round at Mid-Ohio Sports Car Course July 5-7.
“I have two emotions,” said Alexander Rossi, driver of the No. 7 Arrow McLaren Chevrolet.