---
title: "Regenald Michaud Aviation — Clean Truck Check, Willows, CA"
description: "Regenald Michaud Aviation in Willows, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, smoke opacity (non-OBD) testing. Phone, address and…"
url: "https://ctcfinder.com/tester/regenald-michaud-aviation-willows/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Regenald Michaud Aviation

Clean Truck Check tester in Willows, CA (Glenn County).

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

| Field | Value |
|---|---|
| Location | Willows, CA 95988 |
| County | Glenn County |
| Phone | (530) 517-1495 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Regenald Michaud Aviation can test

| 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](https://ctcfinder.com/tester/ns-tractor-willows/).

## 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.

## 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](https://ctcfinder.com/guide/deadlines-2026-2027/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## 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](https://ctcfinder.com/tester/ns-tractor-willows/) (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](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### 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](https://ctcfinder.com/guide/cost/).

### 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 nearby

- **[NS Tractor](https://ctcfinder.com/tester/ns-tractor-willows/)** — Willows, CA 95988 — (530) 934-3382 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Beckham Fabrication and Repair](https://ctcfinder.com/tester/beckham-fabrication-and-repair-orland/)** — 7559 State Highway 32, Orland, CA 95963 — (530) 433-4441 — 17 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mikes Mobile Diesel Smog Check](https://ctcfinder.com/tester/mikes-mobile-diesel-smog-check-orland/)** — 6721 County Road 20, Orland, CA 95963 — (530) 519-5670 — 17 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Ryan Karr](https://ctcfinder.com/tester/ryan-karr-orland/)** — Orland, CA 95963 — (530) 521-1202 — 17 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[William Irvin](https://ctcfinder.com/tester/william-irvin-orland/)** — Orland, CA 95963 — (530) 624-0148 — 17 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[North State Emissions Testing](https://ctcfinder.com/tester/north-state-emissions-testing-colusa/)** — 3145 Wilson Ave, Colusa, CA 95932 — (530) 501-0865 — 23 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.