cost-efficient

Advocates of this mechanism cite its focus on improving efficiency, reducing carbon where it is most cost efficient to do so.

Racing is not cost efficient when you can have slot machines.

It is therefore not cost efficient to train employees as soon as the position is accepted.

The ideal dishwasher will be highly cost efficient in three ways - water, energy and detergents.

It isn't cost efficient, and it depletes available resources.

But in the mines cost efficiency isn't necessarily cost efficient.

You've got to know what's important," he said, "but you must also be cost efficient.

It is also argued that direct mail is not cost efficient.

This plan was seen as the simplest, most cost efficient one with the highest margin.

Investment in technology without investment in training is not cost efficient.