A transaction platform connecting facilities that need NOx compliance credits with verified generators of emissions reductions — priced, tracked, and settled in one place.
Every listing carries a credit ID, jurisdiction, vintage, and verification status. Filter by program, location, and quantity to find what your compliance deadline requires.
| Credit ID | Program | Quantity | Vintage | Price / ton | Status | |
|---|---|---|---|---|---|---|
| NOXC-CA-2026-0184 | California — RECLAIM | 250 tons | 2026 | $4,850 | Verified | Bid |
| NOXC-TX-2025-0912 | Texas — Mass Emissions Cap | 100 tons | 2025 | $2,120 | Verified | Bid |
| NOXC-OR-2026-0037 | Oregon — Stationary Source | 50 tons | 2026 | $1,910 | Pending review | Bid |
| NOXC-IL-2025-0621 | Illinois — ERMS | 75 tons | 2025 | $1,640 | Verified | Bid |
State what you need — program, quantity, deadline, and your price ceiling. Sellers can accept, reject, or counter. No listing to search through, just a requirement posted to the market.
NOxCredits.com maintains a transaction record for every credit on the platform — issuing jurisdiction, verification, ownership history, and retirement status. Look up any credit ID to see its full chain of custody.
Credit IDs are assigned at listing and persist through every transfer, so a buyer, auditor, or regulator can trace a credit's full history at any time.
Paired with H2SCR™, ammonia-on-demand SCR technology that cuts NOx without DEF logistics. Estimate the reduction a generator could achieve, and what it could be worth as a credit — where eligible under the applicable program.
*Illustrative only. Credit eligibility, baseline methodology, and verification requirements depend on the applicable program and jurisdiction. Learn about H2SCR™
An indicative price, drawn from recent platform transactions and listings, updated as trades settle.
Whether you need credits for compliance or have verified reductions to sell, the platform is built around your side of the transaction.
Post your requirement and let sellers bid for your business — instead of searching listings one by one.
Post a requirementList verified reductions and set your terms. NOxCredits.com is a marketplace and transaction platform — not a substitute for your program's official registry.
List your creditsEach program has its own eligibility, verification, and transfer requirements. These pages summarize what applies before you buy or sell.
A defined path from bid to settlement, with documentation checked at each step.
Program, quantity, vintage, and verification status are recorded against a credit ID.
Directly against a listing, or as a standing requirement the market can respond to.
Negotiation happens on-platform, with a full record of offers.
Ownership and verification status are confirmed before funds move.
Ownership is reassigned and recorded in the registry.
Buyers can retire a credit against a compliance obligation or hold it for later use.
H2SCR™ eliminates DEF fluid, generating ammonia on demand for selective catalytic reduction. The NOx reductions it verifies are what supply this marketplace.
See what your reduction could be worth