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Diesel Emissions Requirements

 

2024 Diesel Emissions Requirements (GVWR up to 26000 lbs.)

Model Year

Heavy-Duty Diesel

Frequency of Test

Testing Fee

2024

Exempt

n/a

n/a

2023

Exempt

n/a

n/a

2022

Exempt

n/a

n/a

2021

Renewal are Exempt

n/a

n/a

2021

Need test if Transfer of ownership

n/a

Rates vary per diesel testing center

2020

Need test

Every two years

Rates vary per diesel testing center

2019

Need test

Every two years

Rates vary per diesel testing center

2018

Need test

Every two years

Rates vary per diesel testing center

2017

Need test

Every two years

Rates vary per diesel testing center

2016

Need test

Every two years

Rates vary per diesel testing center

1993-2015*

Need test

Annually

Rates vary per diesel testing center

1976-1992 

With Collector Plates

Need test

Every five years

Rates vary per diesel testing center

1976-1992

Without Collector Plates

Need test

Annually

Rates vary per diesel testing center

1976 or newer Grandfathered**

Exempt

n/a

n/a

1975 and older

With Collector Plates

Exempt

n/a

n/a

1975 and older without Collector Plates

Exempt

n/a

n/a

1975 and older without Collector Plates

Need test

Annually

Rates vary per diesel testing center

 

*Transition from biennial to annual testing is based on the MSO (Manufacturer Statement of Origin) date of the vehicle. See local County DMV for more information. 

** Vehicles model year 1976 or newer that have been registered as a "collector's item" prior to September 1, 2009, and the registration has never lapsed or expired or had a change of ownership.

 

2024 Diesel Emissions Requirements (GVWR 26000 lbs. or more)

Model Year

Heavy-Duty Diesel

Frequency of Test

Testing Fee

2024

Exempt

n/a

n/a

2023

Exempt

n/a

n/a

2022

Exempt

n/a

n/a

2021

Exempt

n/a

n/a

2020

Exempt

n/a

n/a

2019

Renewal are Exempt

n/a

n/a

2019

Need test if transfer of ownership

Every two years

Rates vary per diesel testing center

2018

Need test

Every two years

Rates vary per diesel testing center

2017

Need test

Every two years

Rates vary per diesel testing center

2016*

Need test

Every two years

Rates vary per diesel testing center

1992-2015

Need test

Annually

Rates vary per diesel testing center

1976-1991 

With Collector Plates

Need Test

Every five years

Rates vary per diesel testing center

1976 - 1991 

Without Collector Plates

Need Test

Annually

Rates vary per diesel testing center

1976 or newer Grandfathered**

Exempt

n/a

n/a

1975 and older With Collector Plates

Exempt

n/a

n/a

1975 and older without Collector Plates

Need test

Annually

Rates vary per diesel testing center

 

*Transition from biennial to annual testing is based on the MSO (Manufacturer Statement of Origin) date of the vehicle. See local County DMV for more information. 

** Vehicles model year 1976 or newer that have been registered as a "collector's item" prior to September 1, 2009, and the registration has never lapsed or expired or had a change of ownership.