CARB Tightens Idling Regulations

California Board Sets Exhaust Rule for Auxilary Units
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he California Air Resources Board adopted a truck engine-idling regulation that requires drivers resting in a truck’s cab to shut off their engines after five minutes of idling.

The rule also tightens auxiliary power unit emission standards for trucks with sleeper cabs, requiring that the APUs have exhaust after-treatment to reduce particulate matter emission.

The rule also requires truck engines after 2008 to have a system that automatically shuts the engine off after five minutes of idling.



Dimitri Stanich, a CARB spokes-man, said the rule was a “follow up to an earlier regulation that limited idling but excluded diesel trucks with sleeper berths.” That regulation, which CARB passed in 2004, took effect Jan. 1.

For the full story, see the Oct. 31 print edition of Transport Topics. Subscribe today.