It's tough to tell, but the driver is also wearing a snorkel. The driver's snorkel is plumbed up so that it breathes at the same height as the truck's snorkel.
He almost loses it at 2:29.
http://www.youtube.com/watch?feature...&v=kiUVQs0aItU
He almost loses it at 2:29.
http://www.youtube.com/watch?feature...&v=kiUVQs0aItU