What is ""l'efficacité énergétique"" in American English and how to say it?

French

l'efficacité énergétique

l'efficacité énergétique-energy-efficient.svg
American English

energy-efficient

Learn the word in this minigame:

Example sentences

American EnglishThe penguins' short feet are an adaptation.

Learn the word for ""l'efficacité énergétique"" in 45 More Languages.

Other interesting topics in American English