B.__All containers of nitrous oxide have been removed from the motor vehicle.

Sec. 4. 29-A MRSA §1954 is enacted to read:

§1954.__Dump body support

1.__Equipment.__A truck with a dump body must be equipped with a positive means of support, permanently attached and capable of being locked in position to prevent lowering of the body while being maintained, inspected or repaired or while the truck is unattended.

2.__Required.__A truck dump body must be either fully lowered, locked by means of equipment required in subsection 1 or physically blocked from lowering while being maintained, inspected or repaired or while the truck is unattended.

3.__Penalty.__A person who violates this section commits a Class E crime.

Sec. 5. 29-A MRSA §2052, sub-§8 is enacted to read:

8.__Breakdown lanes.__The operator of a vehicle may not overtake another vehicle on a limited-access way by driving on the shoulder or in the breakdown lane located on the right or the left of the travel lanes.

Sec. 6. 29-A MRSA §2054, sub-§2, ķE, as enacted by PL 1993, c. 683, Pt. A, §2 and affected by Pt. B, §5, is repealed.

Sec. 7. 29-A MRSA §2067, sub-§2, as amended by PL 1997, c. 653, §9, is further amended to read:

2. Dimming. When a vehicle equipped with multiple-beam road lights approaches an oncoming vehicle within 500 feet or follows a vehicle within 300 feet, the operator shall dim the headlights or switch to a low beam and shall turn off a fog or auxiliary light allowed by section 2054, subsection 2, paragraph E 1909-A, unless the fog light or auxiliary light was installed by the vehicle manufacturer at the time the vehicle was originally manufactured.

Sec. 8. 29-A MRSA §2074, sub-§3-C is enacted to read: