Why Is Slipstream Good But Dirty Air Bad?

In this week’s F101, we take a look into the overused term of ’slipstream’ and ’dirty air’. What are the differences? Why is one good and the other bad? Subscribe to WTF1: ----- Follow WTF1 ----- Subscribe to WTF1: On our website: On Facebook: On Instagram: On Twitter: ----- Music ----- Tom Kent: