The magnitude 9.0 earthquake and subsequent tsunami that struck Japan on March 11 forced Toyota to temporarily shut down all of the county's plants except for three. But now, for the first time since Japan was struck by the brutal double blow, Toyota has successfully resumed production at all of its facilities.

This doesn't, however, mean things are back to business as usual. As Toyota continues to struggle to secure 150 various auto components, the plants resuming production will operate only at half capacity. Regardless, the plants return to production comes as a most welcome development for…