21.   GM has the least efficient system of the American automakers, and the worst labor relations.

22.   He is a key player in a remarkably efficient system that brings together vast pools of capital and good ideas.

23.   He said the immediate result could be somewhat chaotic but would eventually produce a more efficient system.

24.   In a more efficient system, a DNA match connecting him to her case would have been made then.

25.   Many homeowners add caulking, insulation and efficient heating systems to their home in an effort to provide greater comfort.

26.   Major labels added marketing muscle and a more efficient system for tracking sales.

27.   The big difference is that the Dole Bill seeks to reform health care and by promoting a more efficient system.

28.   The city center, on the main peninsula, is crisscrossed by a very efficient system of green-and-yellow trolleys.

29.   The districts are seeking a more efficient system of state aid that provides poorer students with the same opportunities as wealthier ones.

30.   The money helps consumers, business and residential, pay for things like more efficient lighting systems and appliances.