Not even the most ardent proponents of Dolby Digital have urged that system for music recording.

Some proponents of abolishing capital punishment in Connecticut have urged a repeal for future murderers, so that capital punishment would still apply to Mr. Hayes; his co-defendant, Joshua Komisarjevsky, who is to be tried next year; and the prisoners already on death row.

Despite proponents' urging that intelligent design be included in the school system's science curriculum, the school board of Chesterfield County Public Schools in Virginia decided on May 23, 2007, to approve science textbooks for middle and high schools which do not include the idea of intelligent design.

Even as proponents are urging the Regents to move ahead, the plan has provoked adamant criticism from teacher unions, school boards and the New York City Schools Chancellor, Joseph A. Fernandez, all of whom oppose having state money drained from public schools.

In the early 1990's, state legislatures did what many early proponents of DNA urged: they passed laws to take DNA from those convicted of murder, rape and other violent felonies.

Two leading proponents of exploration of Mars urged Congressional committees today to reject plans of the National Aeronautics and Space Administration to delay an unmanned mission to the planet.

In the USA, proponents of pétanque such a Byron Putman often urge the use of non-dedicated public terrains - public walking paths, playground areas, dirt/gravel parking lots, and baseball infields - as terrains.

Eight proponents of the changes, most of them scientists and teachers, urged the board to vote in favor, while only three people appeared to raise objections.

The Javits project was finally approved in December by the State Legislature, and its proponents urged that work begin quickly.