51.   ----- However, even if the wake vortex detection system works, it will improve efficiency only marginally.

52.   Aetna is trying to increase the number of electronic claims health care providers submit to cut costs and improve efficiency.

53.   After a point, adding more short cuts does not improve network efficiency.

54.   Aging power stations, both coal- and nuclear-powered, could be shut completely if energy efficiency were improved.

55.   Both Condit and Chief Financial Officer Mike Sears said the emphasis that the commercial division placed onstreamlining production and improving efficiency are paying off during the current downturn.

56.   Browne said half the improvement this time came from improved efficiencies and half came from increased unit sales and margins from oil and refined products.

57.   Businesses are hoping that extranets will save them money and improve their efficiency.

58.   But Hewlett-Packard said that it, too, had been improving the efficiency of its manufacturing and distribution and thus was also in a position to cut prices.

59.   But there are efforts to improve irrigation efficiency here.