Present Continuous (I am doing)

Suttipon is in his car, he is on his way to work.
He is driving to work.
This means: he is driving now, at the time of speaking. The action is not finished.
Suttipon is in his car, he is on his way to work.
He is driving to work.
This means: he is driving now, at the time of speaking. The action is not finished.