However, that approach can have costs in efficiency and security.

"Then you'll start seeing some drop in efficiency around the Government."

Improvements in energy efficiency can and will likely be made.

I am fully able to man my post, with no loss in personal efficiency.

Experts trained in efficiency, they say, can keep costs down.

The statement also calls for a 20 percent increase in electrical efficiency by 2020.

The pilot technology is expected to result in improved efficiency.

That was true even when Japan seemed to be years ahead in manufacturing efficiency.

Up until now, the expedition had been an exercise in efficiency.

The woman's voice was not unpleasant, but cool in its efficiency.