---
title: "Daniel Straub — Clean Truck Check, Alturas, CA | CTC Finder"
description: "Daniel Straub in Alturas, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/daniel-straub-alturas/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Daniel Straub

Clean Truck Check tester in Alturas, CA (Modoc 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 | Alturas, CA 96101 |
| County | Modoc County |
| Phone | (530) 708-3562 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Daniel Straub 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Warner Mountain Smog in Alturas, about 1 mile away. [See listing](https://ctcfinder.com/tester/warner-mountain-smog-alturas/).

## Clean Truck Check testers in Modoc County

Daniel Straub is one of 2 testing businesses in Modoc County on CARB's public tester list. 2 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 Daniel Straub offer mobile Clean Truck Check testing?

Yes. Daniel Straub says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can Daniel Straub test a 2012 or older diesel truck?

Daniel Straub does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Warner Mountain Smog](https://ctcfinder.com/tester/warner-mountain-smog-alturas/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Daniel Straub charge for a Clean Truck Check?

Daniel Straub has not published prices with us; call (530) 708-3562 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 Daniel Straub a CARB-credentialed tester?

Daniel Straub 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

- **[Warner Mountain Smog](https://ctcfinder.com/tester/warner-mountain-smog-alturas/)** — 599 Cougar Dr, Alturas, CA 96101 — (530) 640-3424 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.