What methods do you use to engage potentially motivated employees, energize and encourage them to take responsibility?

Delegation of authority, target breakdown  at the level of employees, goals versus implementation, incentives

create an atmosphere of effective competition between employees , promotions versus achievements record

Encouraging individuals, setting an example, being leader worth following, make things interesting, encouraging the learning of new skills, fostering creativity, help creating a career path, celebrate personal's achievement, encouraging friendly competition.

there are more, but these are good ones.