51.   A recent study by the National Research Council found that MTBE is more effective than ethanol in reducing ozone, a major component of smog.

52.   A recent Rand study found that mandatory minimum sentences are far less effective than drug treatment in reducing crime.

53.   A system that monitors people in public places for abnormal patterns of behavior could be even more effective than simply identifying them.

54.   A third, Depakene, was more effective than the others, but left me with serious muscle twitching in my neck and hands.

55.   Abraham said hiring more border-patrol agents to look for drug smuggling would be more effective than logging people in and out of the country.

56.   All in all, prevention may be more effective than cure.

57.   Bush also champions voluntary reductions from industrial plants as more effective than traditional mandatory controls.

58.   But agency officials hope the card-based system would be more effective than media publicity in notifying owners about recalls.

59.   But even then, she said, the medical solution would be far less effective than preventing an anthrax outbreak.

60.   But even a short ridge should have a ridge vent, which will be more effective than the roof vents.