Hybrid testing of Honda and Chevrolet at Indianapolis Motor Speedway (Joe Skibinski/Penske Entertainment). INDIANAPOLIS – IndyCar’s Hybrid Assist program either will make the engine formula more ...

At one point, motorsports testing was a free-for-all where teams could test whenever and wherever they wanted. Today, sanctioning bodies have largely saved teams from themselves. Rather than spending ...

Testing $10,000 in modifications on a $500 motor to see performance ceiling ...

Devoting one motor to each wheel was key to Rivian’s breakout success when the R1S three-row SUV and R1T pickup truck first arrived. With no mechanical connection between them, the motors are ...

A 500-horsepower, front-engined, rear-drive American pony car on ice without tire studs sounds like a real handful, a delicate dance requiring saintly levels of self-restraint and finesse. I’m a ...