Amend SB 12 on third reading by adding the following 
appropriately numbered SECTION to the bill, and renumbering 
subsequent SECTIONS accordingly:
	SECTION ____.  Sections 382.0191(b), (c), and (d), Health 
and Safety Code, are amended to read as follows:
	(b)  The commission may not prohibit or limit the idling of a 
motor vehicle when idling is necessary to power a heater or air 
conditioner while a driver is using the vehicle's sleeper berth for 
a government-mandated rest period.  Idling is not necessary to 
power a heater or air conditioner if the vehicle is within two miles 
of a facility offering external heating and air conditioning 
connections at a time when those connections are available.
	(c)  No driver using the vehicle's sleeper berth may idle the 
vehicle in a residential area as defined by Section 244.001, Local 
Government Code, or in a school zone or within 1,000 feet of a 
hospital or a public school during its hours of operation.  An 
offense under this subsection shall be punishable by a fine not to 
exceed $500.
	(d)  This section expires September 1, 2009 [2007].