Gai Waterhouse and Adrian Bott unleashed $2.6million Zoustar filly Clean Energy at Warwick Farm on Wednesday after scratching her last week due to an awkward barrier and while the heavy track was less than ideal today it did not stop the sister to champion filly Sunlight making a winning debut.

Trial watchers were keen to see the opening race at Warwick Farm on Wednesday to find out what would happen when $1million Extreme Choice colt Emirate was let off the bridle.