Road Vehicle: Wheeled vehicles with this quirk receive an additional +1MP when moving along roads. Thus, a normal wheeled vehicle with a move rate of 4/6 would move at 5/8 on a road, but 6/9 if it has this quirk. This does not affect vehicles with any other motive type, wheeled vehicles with 0 MP, or vehicles that are towing trailers.
LAM Hardpoints: Found on the Phase Hawk prototype, this enables a LAM to carry a limited amount of external storage. A LAM with this capability may carry up to a maximum one item for each working hand actuator it has, using the usual rules and maximum tonnages for carrying unprotected cargo in BattleMech and AirMech mode. In Aerospace mode, these are treated as external stores hardpoints. A LAM may carry any type of item that can be mounted as an external store, but they may only be used in Aerospace mode. The sole exception is a single hand-held weapon, which can be used in any mode.
This buffs LAMs modestly without breaking previous designs. In particular, LAMs are always aching for fuel, so an extra fuel tank is a welcome addition. If you're going to use a LAM at all, carrying a handheld weapon is true to the fiction on giant stompy transformy robots.