21.  The decline in support is most severe in older cities and in California, long a United Way trend-setter.

22.  The environmental issue is of particular concern to mayors of older industrial cities.

23.  The newest buses run on liquefied natural gas, a cleaner-burning fuel than the diesel that powers the older city buses.

24.  Those who flocked here then and after the war were mostly white, escaping dead-end jobs, cold winters and moribund older cities and towns.

25.  To celebrate, the city is recapturing some of its history by borrowing an idea from an older city.

26.  Travers agreed that older cities require infusions of cash and serious efforts to clean up the urban environment.

27.  While it remains behind other, older cities in collected examples, at the pace it is going, it is certain to pass its rivals shortly.

28.  Most people associate trolleys with San Francisco, New Orleans and older European cities.