Few vehicle modifications have as major an impact as changing gear ratios, and it's because your car's gear ratio directly translates to how it delivers power. Think about it: The gear ratio, or how ...

No, really. McLaren’s head of powertrain, Richard Jackson, explains. McLaren doesn’t do things like any other car company.

Examination of a Swiss Airbus A220-300 engine following a fatal smoke and diversion event over Austria has revealed damage to the fan drive gear system as well as bearings. But investigators probing ...