71.   Understanding ant behavior could ultimately help lead to more efficient use of the Web.

72.   With a transverse-mounted engine driving the front wheels, the boxy Mini has long been a model of efficient use of space.

73.   You bore me, and these nine-hour history lessons on the Crusades that you put me through each visit are not an efficient use of my time.

74.   Advocating a change from costing lending rates from opportunity cost to actual cost emphasizes efficient use of funds and prudent judgement in lending money to industries with mediocre performances.

75.   Analysts say that the oil tax hike should also be accompanied by measures to save and make more efficient use of energy.

76.   Australia was already financially committed to developing a more efficient use of coal and would continue to invest in research, Parer said.

77.   Australia is already financially committed to developing a more efficient use of coal and will continue to invest in research, Parer said.

78.   Ecologists say the plan is misguided, insisting that water shortages in the south would be better solved by more efficient use of existing resources and other means.

79.   Governments should promote safer and more efficient use of urban land as traditional farmland disappears under sprawling cities.

80.   He hoped the review would make more efficient use of public funds and provide better care for claimants.