[+person] efficacité f
→ All we ask from arts bureaucrats is quiet efficiency
[+method] efficacité f
[+institution] bon fonctionnement m
→ huge variations in the cost and efficiency of NHS care
[+activity] productivité f
→ There are many ways to increase agricultural efficiency in the poorer areas of the world.
[+machine] rendement m
→ the actual efficiency of the machine was 6 percent and not 10
[gains] de rendement efficiency savings économies fpl de fonctionnement → Together with efficiency gains and reduced costs from the investment programme, margins should continue to grow.
n (US) studio m
n efficacité f énergétique
→ rules on health, safety and energy efficiency in houses
n rendement m énergétique
→ because of rising fuel efficiency, the costs of motoring are falling.