using resources such as time, materials, or energy well without wasting any
The car combines an efficient 2.3-liter four-cylinder gas engine with a battery pack and electric motor.
He is a leading proponent of broad changes in the Postal Service to make it more efficient and competitive
We must meet members' needs in the most efficient and effective ways possible.
The new manufacturing process is more efficient, reducing production time and costs.
Efficient use of energy-saving technologies in the building design led to lower utility bills.
The software's efficient algorithms allow for quick data analysis and processing.
Implementing efficient transportation routes improved delivery times and reduced fuel consumption.
