I couldn't open the original video: The link below is a longer version of the accident.
Great save by the white truck
http://www.dpccars.com/car-videos-12...crash-ever.htm
It looks like the SUV was (drafting) behind the white truck and then pulled out in order to pass him.
the white truck could have sucked the air off the SUV as he pulled up alongside to pass causing the driver to lose control.