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California ARB Begins Process to Revise Diesel Control Regulations

Green Car Congress

We fully recognize that the economy has had an effect on the owners and operators of big rigs, buses and construction equipment, and has also resulted in emissions from these vehicles being lower than we expected. We are committed to taking those impacts into consideration for our diesel clean-up program. ARB Chairman Mary D.

Diesel 223
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California ARB Explores Amendments to Heavy-Duty Emissions Rule Based on Economic Situation; Directs Staff to Redo Tainted Report

Green Car Congress

Staff also briefed the Board on staff’s assessment of the effects of the economy on emissions from In-Use On-Road and In-Use Off-Road regulations. With fewer new vehicles purchased, the average age of the fleet is increasing, leading to increased emissions. Economy alone does not achieve needed PM reductions. Source: ARB.

Emissions 186