Mapletree Transportation inc
Clean Truck Check tester in Middlebury, IN.
- Mobile testing
- OBD test
- Motorhomes
Mapletree Transportation inc appears on CARB's public list of credentialed Clean Truck Check testers. It lists mobile testing, OBD testing, motorhome testing. Mobile testing means the tester can come to your yard or job site.
- Location
- 423 N Main St, Middlebury, IN 46540
- Phone
- (502) 510-3202
- Mobile testing
- Yes — comes to your yard
- OBD testing
- Yes
- Smoke opacity (non-OBD)
- No
- Motorhomes
- Yes
- Credentialed testers
- 1
- Last verified
Call (502) 510-3202 Open in Google Maps
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 and any mobile trip fee. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).
Which trucks Mapletree Transportation inc can test
The test CARB requires depends on the engine's fuel and model year. Based on the services Mapletree Transportation inc 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 | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |
Clean Truck Check testers in Indiana
Mapletree Transportation inc is one of 11 testing businesses in Indiana on CARB's public tester list. 9 of them offer mobile testing and 3 do smoke opacity tests. Testers outside California.
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 Mapletree Transportation inc 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 Mapletree Transportation inc offer mobile Clean Truck Check testing?
Yes. Mapletree Transportation inc 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 Mapletree Transportation inc test a 2012 or older diesel truck?
Mapletree Transportation inc does not list smoke opacity testing, which older non-OBD diesel trucks need. Trucks from 2013 on get an OBD scan instead.
How much does Mapletree Transportation inc charge for a Clean Truck Check?
Mapletree Transportation inc has not published prices with us; call (502) 510-3202 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 Mapletree Transportation inc a CARB-credentialed tester?
Mapletree Transportation inc 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 Middlebury
-
Transport Pro Tech Center
- Mobile testing
- OBD test
- 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.