[fy20]

Goods vehicles and trucks almost always have speed limiters in Europe that do exactly this. This leads to fun on the highway when one truck who's limiter is a mile an hour or two faster than the truck in front decides to overtake.

[josephcsible]

In the USA, I've seen even worse: trucks with a message printed on the back that their speed is governed to some constant value (usually 55, 60, or 65mph), that are driving on a freeway where the speed limit is higher than that. So naturally, you get a bunch of road rage and shoulder passes with the 55.1mph truck passing the 55mph truck, taking up both lanes, in a 70mph zone.