For instance, we know that familiar birds are more likely to cooperate in fending off predators, and it may also reduce the amount of energy expended on competitive interactions, if individuals display less aggressive behaviour towards familiar neighbours.» (sciencedaily.com)
Although the English voiceovers are pretty awful, and even the Japanese voice track doesn't seem to have much more effort expended on it. (metro.co.uk)
Most experts now agree that from cornfield to factory vat, the amount of energy expended in making the fuel accounts for about 80 % of the energy in it. (calcars.org)