Originally Posted by MMMhills .
It is called motorpacing and yes it is real. Drafting a vehicle is a rush and the speed you can hit are very high. That being said itis very dangerous. You should only pace behind a vehicle that knows you are there so they can be your eyes and brakes. You can not see the road coming up and if they stop you will eat car so to speak.
I have done it before and it is a rush. Probably because I was riding at 40 MPH blind.