New Braunfels, TX Environmental Rules: Vehicle Idling Restrictions (2026)

Overnight truck idling is prohibited within the city limits. No person shall allow the primary propulsion engine of a motor vehicle to idle for more than ten consecutive minutes when the motor vehicle is not in motion.

ii. If a truck stop is to provide overnight parking facilities, signage indicating overnight idling is prohibited must be submitted at the time of building permit for approval.

1. Signage must be located at the entrance of overnight parking lots in a visible manner to truck drivers.

iii. Affirmative defenses. The following constitute affirmative defenses to prosecution under this division:

1. A motor vehicle that has a gross vehicle weight rating of 19,500 pounds or less;

2. The primary propulsion engine of a motor vehicle being used to provide air conditioning or heating necessary for employee health or safety in an armored vehicle while the employee remains inside the vehicle to guard the contents or while the vehicle is being loaded or unloaded;

3. A motor vehicle forced to remain motionless because of traffic conditions over which the operator has no control;

4. A motor vehicle being used by the United States military, national guard, or reserve forces, or as an emergency or law enforcement motor vehicle;

5. The primary propulsion engine of a motor vehicle providing a power source necessary for maintaining cargo climate control where truck stop electrification technologies are not provided for motor vehicles.

6.