Does sweating during a workout mean you burn more calories?

If you don’t work up a sweat exercising, then you haven’t been going hard enough, right? Wrong. 

from
http://www.bodyandsoul.com.au/fitness/workouts/does-sweating-during-a-workout-mean-you-burn-more-calories/news-story/f004c71bdbb3a10f1a44a138694f2201