11.   The cars can run on either power source to maximize fuel efficiency.

12.   The Prius uses a hybrid system that combines a gasoline engine and electric motor to maximize energy efficiency and sharply reduce emissions.

13.   Transfer paper can be used just once, but you can maximize efficiency nonetheless.

14.   Try to pamper yourself and get plenty of rest in your off hours, so you can maximize your efficiency at work.

15.   Each home will be designed to maximize efficiency and will be equipped with energy-saving lighting and appliances, it said.

16.   Hybrids maximize fuel efficiency by combining an electric motor with a gasoline engine to produce better mileage as well as less pollution.

17.   That field seeks to maximize economic efficiency when two sides have incomplete information about each other.

18.   The low inventories of parts those factories keep to maximize efficiency will leave them stranded when they resume operations.

19.   The Prius switches back and forth between an electric motor and a gas engine to maximize efficiency and store energy created by braking.

20.   Vickrey has struggled for years to put into practice his theories, which try to maximize economic efficiency when two sides have incomplete sets of information about each other.