Clean Truck Check testing, delivered to your yard.
Mobile CARB emissions testing for heavy-duty diesel fleets across the San Jose Bay Area. Pass on-site. Stay in compliance. Keep your trucks rolling.
- 100%
- Mobile service
- 7 days
- Including weekends
- Instant
- CARB reporting
What we do
Built for fleets that can't afford downtime.
We specialize in one thing — bringing the Clean Truck Check program to you. No shop visits, no waiting rooms, no lost driver hours.
OBD-II Emissions Testing
Required Clean Truck Check testing for 2013+ heavy-duty diesel engines, performed on-site at your facility.
Instant CARB Compliance
Passing tests are submitted to CARB the moment they're complete — no paperwork, no delays.
Fleet & Multi-Vehicle Testing
Volume pricing for fleets. We test your entire yard in a single visit, scheduled around your operations.
Why South Bay
Compliance without the lost shop day.
Stationary smog stations cost you a driver, a tractor, and half a day of revenue. We eliminate every part of that — bringing fully-equipped CARB testing directly to your gate.
- We travel to your yard, terminal, or job site
- Available before-hours, after-hours, and weekends
- Multiple-vehicle and fleet pricing
- On-site OBD-II testing for 2013+ diesel engines
- Instant CARB submission for passing tests
- Owner-operated — you'll work with the same technician every visit
How it works
Four steps from booking to compliance.
- 01
Call or message
Tell us your fleet size, location, and preferred time window.
- 02
We schedule on your time
Mornings, evenings, weekends — we work around your operations.
- 03
On-site testing
We arrive, plug in, and run the OBD-II test in minutes per truck.
- 04
Instant compliance
Passing tests are uploaded to CARB the moment they finish.
Service area
Serving the entire San Jose Bay Area.
Based in San Jose, we cover fleets and owner-operators throughout the South Bay, East Bay, and Peninsula. Outside the area? Call — large fleets travel free.
Ready to get your fleet compliant?
Get a same-week appointment. Call directly or send us a message — we usually respond within the hour.