---
title: "Kagwest Energy — Clean Truck Check, Martinez, CA"
description: "Kagwest Energy in Martinez, CA is on CARB's Clean Truck Check tester list. Offers OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/kagwest-energy-martinez/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Kagwest Energy

Clean Truck Check tester in Martinez, CA (Contra Costa 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 | Martinez, CA 94553 |
| County | Contra Costa County |
| Phone | (760) 960-7547 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Kagwest Energy 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 | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is CD & Power in Martinez, about 1 mile away. [See listing](https://ctcfinder.com/tester/cd-and-power-martinez/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is CD & Power in Martinez, about 1 mile away. [See listing](https://ctcfinder.com/tester/cd-and-power-martinez/).

## Clean Truck Check testers in Contra Costa County

Kagwest Energy is one of 61 testing businesses in Contra Costa County on CARB's public tester list. 57 of them offer mobile testing and 38 do smoke opacity tests. In Martinez itself there are 7 listed businesses, 6 of them mobile.

## 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 Kagwest Energy 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 [CD & Power](https://ctcfinder.com/tester/cd-and-power-martinez/) (about 1 mile).

### Can Kagwest Energy test a 2012 or older diesel truck?

Kagwest Energy does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [CD & Power](https://ctcfinder.com/tester/cd-and-power-martinez/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Kagwest Energy charge for a Clean Truck Check?

Kagwest Energy has not published prices with us; call (760) 960-7547 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 Kagwest Energy a CARB-credentialed tester?

Kagwest Energy 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

- **[CD & Power](https://ctcfinder.com/tester/cd-and-power-martinez/)** — 150 Nardi Ln, Martinez, CA 94553 — (925) 387-9600 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Guys Smog Inc](https://ctcfinder.com/tester/guys-smog-inc-martinez/)** — 906 Alhambra Ave, Martinez, CA 94553 — (925) 285-9698 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mobile Golden State Emissions Testing](https://ctcfinder.com/tester/mobile-golden-state-emissions-testing-martinez/)** — 142 Fig Tree Lane, Martinez, CA 94553 — (925) 354-4370 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[My Mobile Mechanic Inc](https://ctcfinder.com/tester/my-mobile-mechanic-inc-martinez/)** — 827 Arnold Dr Suite 4, Martinez, CA 94553 — (510) 760-1115 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Swenson's Mobile Fleet Repair](https://ctcfinder.com/tester/swensons-mobile-fleet-repair-martinez/)** — 2508 Pacheco Blvd, Martinez, CA 94553 — (925) 708-5535 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Touch of Tism Smog](https://ctcfinder.com/tester/touch-of-tism-smog-martinez/)** — Martinez, CA 94553 — (510) 619-6099 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.