Comment Re:Your situation isn't everybody's. (Score 1) 90
15 meters is the max they measured, you really need to be within 9 meters to realize 10% fuel savings.
That close you're looking at an impact by following vehicles if something happens to make the lead vehicle abruptly stop or slow.
Also, I wasn't considering dedicated 'lead' vehicles like trucks, but other cars, and computer driven by lots of different companies.
IE I don't trust their communications.