IndyCar will reduce the power output of its hybrid units by 10-25% on a track-by-track basis for the remainder of the season. The move is aimed at improving reliability in the face of a potential supply shortage.

Five years in the making, the IndyCar Series will make its long-awaited move to hybridization at the July 5-7 race on the Mid-Ohio Sports Car Course.Announced at the Indianapolis 500 in May of 2019, the innovative technology created in a joint development between Chevrolet and Honda will see the full...

While the tenacious defense of position at the final restart of the Honda Indy 200 by the lapped Esteban Gutierrez drew criticism after the Honda Indy 200, Will Power and Graham Rahal said at the post-race press conference it was symptomatic of an increasing problem for IndyCar."I think we need...