21.  At the state level, however, California is considering a broad-based tax on electricity sales to support greater use of renewable resources such as wind.

22.  Besides increased air traffic, there are other problems inherent in the shift to greater use of small jets.

23.  Both cars are more efficient at slower speeds, which make greater use of electric power, than at high speeds, which require a blast of gasoline.

24.  Both must be put to greater use.

25.  - We must expand our energy sources beyond oil to include greater use of nuclear energy, coal, natural gas, ethanol and emerging fuel cell technologies.

26.  A greater use of pharmaceuticals.

27.  A greater use of flexible hours, part-time work, day care, sabbaticals and longer vacations are all part of that effort.

28.  A second scenario would involve greater use of trains and fewer trucks.

29.  About half the increase came from rising prices and half from greater use of prescription drugs, mostly by seniors.

30.  Administrative changes include lowering cleanup standards for industrial property and allowing greater use of limited containment.