Tony Reeves
If you’re in Vermont, New York, New Jersey, Massachusetts, Oregon, Washington, or California and you’ve been shopping for a new motorhome this summer, you may have already hit the wall. Dealers are turning people away, inventory is thin or nonexistent for larger rigs, and the explanations you’re getting from salespeople range from vague to flat-out confusing. This isn’t a supply chain hiccup. It’s a regulatory shift that has permanently changed how new motorhomes can be sold in seven states, and four more are right behind them.
Here’s the short version of what happened. California’s CARB Advanced Clean Truck rule requires chassis manufacturers to hit increasing percentages of zero-emission vehicle sales. The rule targets the chassis makers, not the RV builders or dealers. But since Ford, Ram, and other suppliers can’t meet those ZEV percentages while still selling conventional internal combustion engine chassis in regulated states, they’ve stopped selling ICE chassis there at all. No compliant chassis means no new motorhome over 8,500 lbs GVWR. Vermont’s adoption of the same rule kicked in for 2026 model year vehicles, making it the seventh state to effectively block new motorhome sales. According to the RVIA, the regulation’s reach keeps expanding, with Colorado, Maryland, New Mexico, and Rhode Island set to join the list with the 2027 model year.
This matters whether you’re actively shopping or not. If you own a motorhome and live in an affected state, your resale market just shifted. If you’re planning to buy in the next year or two, your options are genuinely different than they were in 2024.
- Seven states now block new motorhome sales over 8,500 lbs GVWR: CA, OR, WA, MA, NY, NJ, and VT.
- Four more states join in 2027: Colorado, Maryland, New Mexico, and Rhode Island.
- Used motorhomes with more than 7,500 miles are still legal to buy in affected states.
- Out-of-state residents can still buy a non-compliant new motorhome from dealers in those states.
- California added annual diesel emissions testing in 2026 for motorhomes over 14,000 lbs GVWR.
Why the Chassis Rule Hit RVers So Hard
You might be wondering why a “clean truck” rule is shutting down RV sales. The name is part of the confusion. The CARB Advanced Clean Truck rule covers any vehicle over 8,500 lbs GVWR built on a commercial chassis, and virtually every Class A, B+, and C motorhome qualifies. The rule doesn’t tell Ford or Ram they can’t make a gas V8. It tells them they must sell a rising percentage of zero-emission vehicles in regulated states, and if they can’t hit that percentage, they can’t sell at all. Rather than build out a separate ZEV motorhome chassis supply chain for seven states, chassis manufacturers have pulled out entirely. RV builders like Thor, Winnebago, and Forest River have no chassis to put a cab-over or coach body on. Dealers have no product to sell. The whole chain stops.
RVShare’s 2026 regulation roundup confirmed this dynamic clearly: the regulation creates a de facto ban not by directly prohibiting motorhome sales, but by making the upstream supply impossible. That’s an important distinction because it also means a regulatory fix would need to happen at the chassis manufacturer or state-rule level, not at the dealership.
What You Can Actually Do Right Now
Here’s what I tell people who come to me in affected states with real buying plans. Your options aren’t gone. They’re just different.
| Option | Available in Affected States? | Key Limitation |
|---|---|---|
| Buy new motorhome from local dealer | No (over 8,500 lbs GVWR) | No compliant chassis supply |
| Buy used motorhome (7,500+ miles) | Yes | Limited inventory, prices rising |
| Buy new as out-of-state resident | Yes, if you’re the buyer from another state | Titling and registration complications |
| Travel to an unaffected state to buy | Possible, but legally complex | Registering in your home state may trigger issues |
| Buy a Class B under 8,500 lbs GVWR | Some models still available | Limited living space, fewer floor plans |
The used market is the most straightforward path for most people right now. State rules allow the purchase of a used motorhome as long as it has more than 7,500 miles on it. That threshold exists to prevent dealers from gaming the system by selling lightly driven “used” units. The consequence is that used Class A and Class C inventory in affected states is getting picked over fast. Prices are reflecting that. If you’re in this position, get serious quickly and don’t expect to lowball anyone.
The out-of-state purchase route is messier than it sounds. An out-of-state resident can buy a non-compliant new motorhome from a dealer in an affected state. But if you live in Vermont and drive to a Vermont dealer, you are not an out-of-state resident. What some buyers are doing is purchasing through dealers in states like Texas, Florida, or Indiana where no such restrictions apply, and then dealing with the titling question when they get home. Talk to an attorney familiar with your state’s DMV before you do this. Some states have started scrutinizing these registrations.
California’s Diesel Testing Rule Is a Separate Problem
If you’re in California specifically, or if you’re an out-of-state RVer who spends significant time there, there’s an additional layer to know about. Starting in 2026, California requires annual emissions testing for diesel motorhomes over 14,000 lbs GVWR operating in the state. This is separate from the sales ban and it applies to existing rigs, not just new purchases. If you’re a full-timer doing a Southwest winter season or running the coast route, this is a real operational concern. Failing the test doesn’t necessarily mean you’re immediately off the road, but it starts a compliance clock you don’t want to ignore.
What’s Coming for 2027
Colorado, Maryland, New Mexico, and Rhode Island will add their own CARB-aligned rules with the 2027 model year. If you live in one of those four states and you want a new motorhome, the window is this fall and winter. Dealers in unaffected neighboring states will likely see a surge in buyers from those states trying to get ahead of the deadline. Inventory at those dealers will tighten accordingly.
The Electric Alternative Is Real but Not Ready
You might be wondering whether an electric motorhome solves any of this. Technically, yes. Practically, not yet. California startup Evotrex raised $30 million in a July 2026 Series A round, bringing its total funding to $46 million, to develop its PG5 electric RV trailer. The Premium model is priced at $159,990 and is entering automotive-standard testing in Q4 2026 ahead of planned 2027 deliveries. That’s a trailer, not a motorhome, and deliveries haven’t started. I’m watching it. I wouldn’t bank a housing situation on it. The electric RV space is real and moving faster than it was two years ago, but the products available today for full-time or serious use are still limited, and the charging infrastructure on most routes outside the Pacific Coast and I-95 corridor isn’t there for a daily-driver RV.
If you’re full-timing or planning to, the most honest advice I can give right now is this: don’t let the regulatory noise push you into a bad purchase. A used rig you can actually service and afford beats a shiny new build you had to jump through hoops to get. The market is genuinely strange at the moment. Strange markets reward patience and punish panic. Take the time to understand your actual options before you sign anything.
Sources
- 2026 RV Regulations: What’s New for RV Owners and Renters , RVShare (April 8, 2026)
- Latest On CARB’s Advanced Clean Truck Rule And Impact In Other States , RVIA (April 8, 2025, updated 2026)
- Top 10 RV News Stories July 2026 , Go RV Rentals (July 2026)
- Banning RV Sales in California: What You Need to Know , Sunland RV Resorts (2024, figures current to 2026)
- Everything You Need to Know About California’s So-Called ‘RV Ban’ , RV.com (Updated December 12, 2025)
Photo: David Brown via Pexels
