The phrase "maximum efficiency" means doing something in the most effective and productive way possible. It involves using the least amount of resources, time, and energy to achieve the best results. Full definition
For maximum efficiency when short on space, this layout excels. (thisoldhouse.com)
The eight - cylinder delivers its power with muscular torque in all engine speed ranges, combined with maximum efficiency for low fuel consumption and emission figures. (motor1.com)
This affects their generation efficiency as they are at maximum efficiency at full load. (co2insanity.com)