31.   Several American companies have already reduced emissions on their own, partly for environmental reasons and partly because the efficiencies required to achieve reductions make economic sense.

32.   Still, Toyota officials said, it achieves significant reductions over gasoline-powered vehicles in use of greenhouse and other noxious gases.

33.   The agency noted that the Energy Department does not verify that claimed reductions are actually achieved.

34.   The company hopes to achieve the reductions through early retirement by employees and through voluntary departures.

35.   The commission replied that if the company could achieve the same power reductions with less expenditure, it was welcome to do so.

36.   The division may have to order some layoffs if the desired reductions are not achieved.

37.   The faculty reductions will be achieved, university officials said, through attrition and early retirement programs.

38.   The job reductions will be achieved by layoffs and voluntary departures.

39.   The plans envisage future workforce numbers and often detail exactly how a company would achieve any workforce reductions.

40.   The proponents say this approach achieves reductions most efficiently and cheaply.