31.  Electroneutral NaCl absorption is a major driving force for intestinal fluid absrption.

32.  This quartet became the driving force at the British end of the project.

33.  With indirect fuel injection, the well-proven power unit has been a driving force in the growing popularity of diesel amongst British drivers over recent years.

34.  The essential driving force is always difficult to define but the one thing that has struck me about is his intolerance of injustice wherever it presents itself.

35.  Local companies have contributed half a million pounds, but the driving force behind the festival is Thamesdown Borough Council.

36.  Back in daylight, Vatanen has been the driving force behind the Banbury team today.

37.  The man who was the driving force behind bringing them to Britain for surgery was Sir Jimmy Savile.

38.  Chancellor Helmut Kohl lined up behind President Bill Clinton in declaring support for Mr Yeltsin, seen by the West as the driving force behind market reforms.

39.  In Iraq there was glee over the fall of President Bush, seen by Baghdad as the driving force behind the Gulf War and punitive UN sanctions.

40.  It should be seen as a driving force, not a threat.