This system is designed to help the driver develop and maintain a fuel-efficient driving style.

But without awareness, older drivers maintain the driving habits they acquired when they first learned to drive.

This is so that drivers can maintain route knowledge.

Other drivers maintain more than one log book, showing falsified versions to enforcement officers.

Instead the driver maintained a steady, high speed.

However, when the mail came roaring past the Down Distant signal, its driver maintained that it stood at clear.

Once the batteries run down, the speed would drop back below 80, even though the driver maintains constant pressure on the accelerator.

An antiskid system helps drivers maintain the intended path on a slippery road.

Such systems can assist the drivers to maintain a legal speed, obey local traffic instructions, or follow urban restrictions.

The problem with generous company car programs, Mr. Davis said, is that the drivers do not maintain their cars.