But coming top in voluntary effort is not much to boast about.
Governments need voluntary effort, but they, in the nature of things, can't command it.
The voluntary effort followed pressure from Dr. Jeffrey W. Runge, the Bush administration's top auto safety regulator.
The I.M.F.'s announcement referred to a voluntary effort but no details will be available for some time.
Yet while Procter & Gamble, the industry leader, battles consumer groups in court, it endorses the voluntary effort.
The mandir itself – built through the collective and voluntary effort of members – is a potent symbol of this community focus.
A voluntary effort by the electronics industry to verify the sources of the minerals it uses is still in its infancy.
The institute, a nonprofit financed by the insurance industry, attributed the findings to a voluntary effort between itself and automakers that began in 2003.
There are many verses in the Qurʾān that encourage these nightly recitations and other verses that indicate such practices should remain "a voluntary effort" (17:79).
Mr. Aaron served in the administration of President Jimmy Carter, whose proposal for hospital cost controls prompted the industry to undertake a short-lived "voluntary effort".
You're experiencing flow when your mind and body are stretched to their limits in a voluntary effort to accomplish something you believe to be difficult and worthwhile.
