If you're driving a manual-transmission car, you may be wondering when to shift gears to get the best mileage. There's a ...

These days, many automatic transmissions come with eight, nine, or even 10 gears. Why is this, and is it actually a good ...

A transmission changes gears depending on speed and accelerator input (i.e., how far down you push the pedal) so that the engine’s RPM or “revolutions per minute” are kept appropriately low. This ...

First Gear: A Wednesday morning shakedown as a Daytona ... on the cusp of another possible change in NASCAR’s fuel supplier. This season is the last for Sunoco in its current deal as the ...