Question about motorized movement rates

[joshuamnave]

Players Manual Vol II, p 156, 9.3.1 deals with the optional rule for motorized movement rates. According to the Players Manual, this rule changes the movement costs for motorized units according to the movement chart found in sec 11.7, and that it "At times makes movement easier, and at other times it makes it more difficult." Looking at the terrain effects chart for movement, I don't see any case where motorized movement is made easier, only more difficult. Am I missing something or is the Player's Manual incorrectly describing the rule?

[Courtenay]

I believe the player's manual is incorrectly describing the rule.

[WarHunter]

Kinda funny.

Maybe whoever wrote it considers any movement not made difficult is easier. In a relative way.