North Texas is now 2-0 for the first time since 1994, its last season as a Division I-AA program.
The Mean Green held a 10-6 lead after one quarter, then scored 31 unanswered points in the second to lead 41-6 at intermission.
Fine completed 25 of 40 passes with one interception.
DeAndre Torrey carried 16 times for 44 yards and three touchdowns. Hayden Doggett had 42 yards on 15 carries and scored three times. Bussey caught eight passes for 128 yards and three TDs and Jalen Guyton caught five for 111 yards and a touchdown.
Incarnate Word (0-2) managed 294 yards of offense in the game. Ra'Quanne Dickens had 139 yards on 18 carries and scored twice.
Heupel: UCF has elite players at skill positions
UCF head coach Josh Heupel speaks with SVP about the Knights' continued success and a primetime game vs. Cincinnati.
Contenders for SEC Coach of the Year
The Thinking Out Loud crew makes their picks on who would be their coach of the year from the conference.
Guarantano continuing to progress
Thinking Out Loud's Greg McElroy and Marcus Spears discuss how Tennessee continues to improve on offense and defense.
Williams: 'This is a unit, a family'
Texas A&M RB Trayveon Williams joins Thinking Out Loud to discuss how the Aggies have bounced back after two tough losses.
David Montgomery, Greg Roberts each missing first half of their teams' games Saturday
After a scuffle led to their ejections this past Saturday, Iowa State running back David Montgomery and Baylor defensive end Greg Roberts will miss the first half of their team's games this week -- vs. Texas and vs. TCU, respectively.
Louisville interim coach says final 2 games about players, not permanent position
Louisville interim football coach Lorenzo Ward said he is focused solely on salvaging the Cardinals' final two games rather than whether he will have the job permanently.