This deficit may be achieved either by lowering the number of calories consumed or by increasing your caloric expenditure through exercise. (healthyeating.sfgate.com)
It's not that fat oxidation doesn't matter, but what if you have a high percentage of fat oxidation but an extremely low number of calories burned? (hardgainermusclebuilding.com)
In comparison, wild rice is denser with nutrients and it has a much lower number of calories and carbs than white rice. (fitnessandpower.com)