31.  A couple weeks ago we talked about the efficient use of air conditioners, fans and shade trees to keep your home comfortably cool at reasonable cost this summer.

32.  A system of incentives evolved using premium pay to reward exceptional performance and efficient use of tractors.

33.  Alan Krueger of Princeton contends that the study fails to take into account the increasing level of skill needed to make efficient use of office computers.

34.  Bryan ponders more efficient use of that kind of money.

35.  But the part of the plan that could prove most difficult to implement may be its call for more efficient use of drug-fighting personnel.

36.  But the wheelbase is three inches longer, and very efficient use of space has created a roomier interior than that of the Lumina.

37.  But when they try to convert existing facilities to more efficient uses or offer new services, they are rebuffed by regulatory barriers.

38.  Caseloads could be lightened by internal personnel shifts and more efficient use of workers, they said.

39.  Etchason argued that public policy makers should re-examine whether autologous blood donations represented the most efficient use of health-care dollars.

40.  Equally important, by forcing utilities to be more competitive, deregulation will encourage more efficient use of fuels like natural gas.