Overdrive, which decreases power but is suitable for highway cruising, means even higher gearing, providing increased fuel economy.

This explains the usefulness of very high "overdrive" gears for highway cruising.

At least two gears are needed, one for starting and one for highway cruising.

The Turnpike Cruiser option package was designed for high-speed highway cruising.

But that is the mileage the Mercedes test car delivered in 250 miles of highway cruising.

It is well-suited to crosstown travel and downright comforting in highway cruising.

On the other hand, it is great for highway cruising.

Electric power can be varied to change the steering's feel, and it is relatively simple to tailor the system for both highway cruising and parking.

The worst fuel economy comes from highway cruising because the gas engine is working full-time, with the electric motors doing comparatively little work.

To improve fuel economy, the Hemi is designed to shut down half of its cylinders under certain conditions, like highway cruising.