California Code of Regulations
Title 13 - Motor Vehicles
Division 3 - Air Resources Board
Chapter 9 - Off-Road Vehicles and Engines Pollution Control Devices
Article 8 - Off-Road Airborne Toxic Control Measures
Section 2478.9 - Idling Requirements

Universal Citation: 13 CA Code of Regs 2478.9

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

(a) A Locomotive Operator shall ensure an AESS equipped Locomotive Engine is shut off no more than 30 minutes after the Locomotive becomes stationary. A Locomotive may only exceed 30 minutes of idling for the following reasons:

(1) To prevent engine damage such as to prevent the engine coolant from freezing;

(2) To maintain air pressure for brakes or starter system, or to recharge the Locomotive battery;

(3) To perform necessary maintenance; or

(4) To otherwise comply with federal or state regulations.

(b) A properly functioning AESS shall not be removed, tampered with, or disabled unless for maintenance.

(c) A Locomotive Operator with an AESS equipped Locomotive shall ensure the AESS is functional at all times during the Locomotive's Operation.

(1) A Locomotive Operator shall replace or repair a malfunctioning or broken AESS no later than 30 days after discovering the initial malfunction or break.

(2) For the time an AESS is inoperative, the Locomotive shall be manually shut off no more than 30 minutes after the Locomotive becomes stationary unless the Locomotive is Operating under one of the listed exceptions in subsections (a)(1) through (a)(4).

(d) Locomotives equipped to connect to Wayside Power shall turn off all engines, including separate engines providing Head End Power, and use Wayside Power if stationary for longer than 30 minutes and if Wayside Power is available.

(e) Locomotives that are Operating in ZE Configuration are exempt from this section.

Note: Authority cited: Sections 38560, 39600, 39601, 39658, 39659, 39666, 41511, 43013 and 43018, Health and Safety Code. Reference: Sections 39650, 39659, 41511, 43013 and 43018, Health and Safety Code.

Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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