BCM Community
Bus Discussion => Bus Topics ( click here for quick start! ) => Topic started by: windtrader on January 10, 2025, 04:06:55 PM
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CARB, the Calif emissions police now regulate all heavy diesel vehicles in California. This includes our diesel powered bus conversions. If you own one in California, you already need to be registered and paid the fee to be in the CARB CTC program.
Your bus will be required to receive a pass on an emissions test called a snap or opacity test. Without this certificate, the DMW will hold registration as directed by CARB. If not already up to speed on this, here is a link to the next webinar about this program as it applies directly to bus conversions registered in CA.
https://content.govdelivery.com/accounts/CARB/bulletins/3c81f7d (https://content.govdelivery.com/accounts/CARB/bulletins/3c81f7d)
All bus conversions NOT titled in California are free to visit here as usual as this applies to CA vehicles only.
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Wonder how many 2 Strokes with miles would pass the snap or opacity test? My 1991 8V92TA with low miles was a clean runner but don't think it would even pass that test.
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Maybe with propane injection?
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Snap tests are not much it has been in CA for years,the CHP did those on the side of the highway for years.They can pull a out of state RV over for to much smoke and give you a repair ticket. The ruling has people looking to buy throttle delays for the turbo 2 cycle engine they threw away years ago though,Az smog test all 2 cylcle DD in Maricopa County (Phoenix).The DDEC 2 cycle has no problem passing a snap test the ECM takes the right foot out of the picture
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Here is the opacity limits. Mine passed easily. Old buses are at 40%, I think I was around 7%. will post printout if I can find it.
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Here is the opacity limits. Mine passed easily. Old buses are at 40%, I think I was around 7%. will post printout if I can find it.
Phoenix is at 50%,the tests are for revenue and tracking the old 2 strokes that fail are in need of help,the snap test is a no load test and the old engines do not smoke much with a no load,CARB will figure that out and require a dyno test.A few friends worried about it so I just closed the air gap on the governor for those it is not deleting or making changes it is legal it is a adjustment but they don't have any power till you reset the air gap
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Another way I heard that might work is just limiting the accelerator so it doesn't rev all the way up, so it is partial snap test. I have no idea if a tester needs to check all that out before running the test
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Another way I heard that might work is just limiting the accelerator so it doesn't rev all the way up, so it is partial snap test. I have no idea if a tester needs to check all that out before running the test
They cannot check the air gap ,the N/A engines will pass the test fairly easy ,the turbo models can struggle with big injectors waiting for the turbo to spool up,that is why so many are hooking the throttle delay back up when it is working they won't take the (full) fast throttle causing the smoke
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Clifford,
so we are saying the same thing? air gap is how much throttle is open?
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California has just now rescinded, or at least temporarily shelved, its plans to ban the future sale (and use??) of diesel trucks and railway locomotives in CA, due to expected pushback from the incoming Trump regime. Will this affect the present Clean Truck Check program or not? I don't know how much this change will affect our older bus conversions.
We live in interesting times...
John
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California has just now rescinded, or at least temporarily shelved, its plans to ban the future sale (and use??) of diesel trucks and railway locomotives in CA, due to expected pushback from the incoming Trump regime. Will this affect the present Clean Truck Check program or not? I don't know how much this change will affect our older bus conversions.
We live in interesting times...
John
They pulled the request because the EPA never would approve it (after 3 years) because it would have been nation wide not just CA
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Don did you get a full year Compliance certificate from them?
Bruce
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Hi Bruce,
What I did as mandated was register the bus in the CTC (Clean Truck Check) database and forked over 30 bucks that I suspect will never be refunded.
That put me in compliance until the registration renewal time comes around and then a passing opacity/snap/acceleration test must be presented so DMV will issue the annual tag.
I'm not due for awhile so will just keep ears open on what transpires. I don't follow any social media that keeps up on the daily gyrations of CARB and the dance with the feds.
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Has any one from Ca. been CARB tested? What was the out come? DMV is now holding up current year license now as of Jan 2025 renewals. Bruce
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Read Windtrader above he has.
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I see his second post.
Don did you get a full year for your next testing date?
Bruce
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Bruce,
Join the upcoming online seminar, link in first post. I did the test so I know if my bus will pass when required and that time is at registration renewal time. That is when DMV will renew if they have a valid test as notified by CARB.
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Bruce your N14 electronic Cummins will have no problem passing a snap test from CARB,the only problem you may have is explaining why the bus has a N !4 Cummins.CARB can get nasty about engine changes without a paper trail where the old engine went .Their dumb law of 2010 model engines and the 400,000 mile limit sucks ,we get a lot of buses and trucks passing through here going to other states to live out the rest of their lives. I bought a nice Isuzu Diesel box truck from CA because of the miles limit deal, as far as I know it doesn't apply to Rv's yet ,it wouldn't surprise me if CARB adds more restrictions to RV's in future though
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Clifford,
In a couple days, the days of CARB's sharp fangs will get an adjustment. Grind them flat and if that don't work pull them. Watch for the EV handcuffs come off too.
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Clifford,
In a couple days, the days of CARB's sharp fangs will get an adjustment. Grind them flat and if that don't work pull them. Watch for the EV handcuffs come off too.
I don't know about that Don they been around since 1967 or 68,Reagan combined 2 agencies to create CARB if I remember right, the board is mostly politicians I think they only have 2 from the public and they don't have a vote ,LOL no telling what Newsom has appointed. They are back tracking on the EV trucks, someone figured out trucks and trains haul goods into California too.One has to give CARB credit they did clean the air up in California
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Camper Report
California Pauses Restrictions on Diesel Big Rigs
Published on January 17th, 2025 by Kristopher Bunker
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Camper Report
California Pauses Restrictions on Diesel Big Rigs
Published on January 17th, 2025 by Kristopher Bunker
They don't have a choice it's going to take a lot of material to rebuild LA County after the fires and the independent truckers can move it in half the time the big freight haulers can, those people load and go,breaking a few rules along the way
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Rebuilding LA is going to take YEARS. I lived the Bay Area for 30 years and the Oakland hills fire took 3500 structures. It was a decade long effort to get it back to more/less full housing. Some lots remained unbuilt for various reasons, not permits or zoning but even that did take a couple years to sort out.
I think the state and counties have enough experience to share to speed things up.
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Rebuilding LA is going to take YEARS. I lived the Bay Area for 30 years and the Oakland hills fire took 3500 structures. It was a decade long effort to get it back to more/less full housing. Some lots remained unbuilt for various reasons, not permits or zoning but even that did take a couple years to sort out.
I think the state and counties have enough experience to share to speed things up.
You ever wonder what they are going to do with all the materials from the clean up,I bet the Mojave Deseret becomes one giant land fill since Nev and Az has made it clear they don't want it.I heard not only CARB but the contractors licensing board are making it easier for out of state contractors to help with the cleanup with adjustment to fuel taxes. Hang on building materials are going to be at premium for years,the sheetrock suppliers have already started the $3.50 for a 4x8 sheet cost you $15.00 now for the sheetrock from Mexico,the timber people in Or,Wa and Idaho better start harvesting trees.Cement is going through the roof too I predict it will cost close to $350.00 a yard or more for redi mix concrete , yep they have their work cut out for years but we are all going to pay the price.If we add tariffs we are in trouble we import cement from 34 countries Mexico being the largest
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That's a steal for sheetrock. Alaska prices are $32/sheet for a 4'X8'X1/2" sheet. :o
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That's a steal for sheetrock. Alaska prices are $32/sheet for a 4'X8'X1/2" sheet. :o
That sounds about right there everything is always twice the price there, a friend of mine lives in Anchorage and told me last night eggs were $18 to $20.00 a dozen if you could find them
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As on out-of-state owner, I checked with CARB because I didn't want to drive to California and get hit with an absurd fine. I file every year as "low use" since the likelihood of me driving over 1000 miles if I ever make it to California is nil.
Information on the low mileage exemption: https://ww2.arb.ca.gov/sites/default/files/2022-01/LowUseFAQADA.pdf