Regenald Michaud Aviation
Clean Truck Check tester in Willows, CA (Glenn County).
- OBD test
- Smoke opacity
Regenald Michaud Aviation appears on CARB's public list of credentialed Clean Truck Check testers. It lists OBD testing, smoke opacity (non-OBD) testing.
- Location
- Willows, CA 95988
- County
- Glenn County
- Phone
- (530) 517-1495
- Mobile testing
- No (test at the shop)
- OBD testing
- Yes
- Smoke opacity (non-OBD)
- Yes
- Motorhomes
- No
- Credentialed testers
- 1
- Last verified
Call (530) 517-1495 Open in Google Maps
The street address is not published for this listing (mobile or home-based tester). Call to arrange the test.
Before you call
- Have your VIN, odometer reading and plate number ready.
- Your vehicle must be registered in CTC-VIS and the annual compliance fee paid; the tester submits the result to CARB.
- Ask for the price per vehicle. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).
Which trucks Regenald Michaud Aviation can test
The test CARB requires depends on the engine's fuel and model year. Based on the services Regenald Michaud Aviation lists on CARB's tester list:
| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |
If you need a tester at your yard, the nearest listed tester that offers mobile testing is NS Tractor in Willows, about 1 mile away. See listing.
Clean Truck Check testers in Glenn County
Regenald Michaud Aviation is one of 6 testing businesses in Glenn County on CARB's public tester list. 5 of them offer mobile testing and 1 do smoke opacity tests. All testers in Glenn County.
When your truck is due
Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the deadline guide. You can test up to 90 days before a deadline. Get a free email reminder before each one.
How to check a tester's credential
CARB publishes its Clean Truck Check tester list, where Regenald Michaud Aviation appears as of November 1, 2026. Listing there is optional, so a missing name does not always mean a tester is not credentialed. After the test, check that the passing result shows for your vehicle in CTC-VIS; that is what counts for compliance.
Frequently asked questions
Does Regenald Michaud Aviation offer mobile Clean Truck Check testing?
Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is NS Tractor (about 1 mile).
Can Regenald Michaud Aviation test a 2012 or older diesel truck?
Yes. Regenald Michaud Aviation lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See OBD vs smoke opacity.
How much does Regenald Michaud Aviation charge for a Clean Truck Check?
Regenald Michaud Aviation has not published prices with us; call (530) 517-1495 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the cost guide.
Is Regenald Michaud Aviation a CARB-credentialed tester?
Regenald Michaud Aviation appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.
Other testers near Willows
-
NS Tractor
- Mobile testing
- OBD test
- Motorhomes
-
Beckham Fabrication and Repair
- Mobile testing
- OBD test
- Motorhomes
-
Mikes Mobile Diesel Smog Check
- Mobile testing
- OBD test
- Motorhomes
-
Ryan Karr
- Mobile testing
- OBD test
- Motorhomes
-
William Irvin
- Mobile testing
- OBD test
- Motorhomes
-
North State Emissions Testing
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Source: CARB's public Clean Truck Check tester list, last checked . Listing on CARB's list is optional for testers, so some credentialed testers are not shown. Services, hours and prices change; please confirm with the tester before you go. Something wrong? Send a correction.