The steady spate of IndyCar hybrid failures this season has led to a shrinking supply of spare units for its teams.

Memorial Day showcased an Indy 500 with record passes, record close finish. Meanwhile, F1's hybrid is mired in controversy.

INDIANAPOLIS – Alexander Rossi's day at IndyCar's Sonsio Grand Prix ended after just 20 laps. Rossi's No. 20 Ed Carpenter Racing Chevrolet came to a complete stop after a hybrid failure. When ...

After a mess at the Indy GP and an overcorrection in Detroit, it would be nice if IndyCar Officiating could move itself out ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LEXINGTON, Ohio (AP) — Pato O’Ward bounced ...

IndyCar’s leadership is finally doing what it should have done years ago: securing its engine suppliers before the house caught fire. Penske Entertainment has agreed to terms with Chevrolet and Honda ...

Back in February, Honda announced an agreement to continue building IndyCar engines into the next era of series competition. The decision ended over a year of speculation that the manufacturer was ...

F1 cars may look very similar to their IndyCar counterparts, but the two series differ quite a lot once you look under the surface of the machines. Here’s how different F1 and IndyCar really are… To ...

The comments come after Honda released a new TV ad directly comparing the hybrid systems in its race cars to those found in ...