Efficient Energy GroupLogo Design Contest Logo Design Contest Contests / Efficient Energy Group Efficient Energy Group has selected their winning logo design. For $275 they received 60 designs from 17 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Annotation Delete We are sorry, but the time to edit this annotation has expired. Save Cancel Entries by Visartes Return to Contest Return to Contest Comment Activity Order by Ranking Entry Number Comment Activity To leave a comment please click on the logo. Withdrawn New Comment Activity No activity yet.