Grants for Natural Gas Vehicles
The Texas Natural Gas Vehicle Grant Program (TNGVGP) provides funding to for the replacement or repower of an eligible medium-duty or heavy-duty vehicle with a vehicle or engine powered by natural gas. See below for details and how to apply.
Are you an equipment manufacturer? Complete an information request form to help TCEQ compile a list of eligible vehicles, engines, and conversion systems.
Now Accepting Applications
We are accepting applications for grants through 5 p.m. CT, Oct. 20, 2026, while funds remain.
This is a first-come, first-served grant program based on criteria described in the Request for Grant Applications (RFGA) below.
Join our TERP email list to get updates on important dates for grant applications.
How to Apply
Step 1 Determine if you are eligible
Eligible Applicants
Individuals and entities with an on-road heavy-duty or medium-duty vehicle registered to operate in Texas.
Eligible Projects
Replacement or repower of an eligible medium-duty or heavy-duty vehicle powered by gasoline or diesel with a vehicle or engine powered by natural gas.
- Eligible natural gas fuels:
- compressed natural gas (CNG)
- liquefied natural gas (LNG)
- liquefied petroleum gas (LPG)
See the list of eligible vehicles, engines, and conversion systems that meet program requirements and qualify for replacement. An applicant may request to add vehicles or engines to the list of qualifying vehicles when they submit their application.
Eligible Areas
Review Documents to Ensure Eligibility
- RFGA
- Example Grant Contract
- Grant Program Summary English | Spanish
- List of Eligible Vehicles
- Webinar Presentation Video | PDF
Step 2 Estimate your maximum grant amount
Review the Maximum Grant Amount Tables to determine your potential grant amount. Applicants may be eligible for up to the maximum grant amount listed for the type of activity or 90% of the incremental cost (the eligible costs associated with the qualifying vehicle or engine minus scrappage value), whichever is less.
Scrappage value:
- replacement projects: $1,000
- repower projects: $250
Step 3 Collect documents and fill out forms
- Project Application (TCEQ-20625)
- IRS Form W-9
- Supplemental Form 1: Waiver Request (TCEQ-20625-a)
- Supplemental Form 2: Agricultural Product Transport Exemption (TCEQ-20625-b)
- Vehicle and Equipment Photos - Guidelines and Examples of Required Photos for Current Equipment
Step 4 Submit your application
Online Submissions
Securely upload your completed application and any required supporting documentation using our secure site.
- Enter your email address to authenticate. In the subject field, briefly describe what you are submitting (e.g., “TNGVGP Application – [Applicant Name]") and provide any additional information in the message field.
- Add all files. If you have multiple files to upload, consider packaging them all into a single ZIP file and upload this ZIP file instead of individual files.
- Click Send to complete your submission. You will automatically receive a submission confirmation email.
Regular Mail
Air Grants Division, MC-204 (TNGVGP)
P.O. Box 13087
Austin, TX 78711-3087
Express Mail
Air Grants Division, MC-204 (TNGVGP)
12100 Park 35 Circle
Building F, 1st Floor, Suite 1301
Austin, TX 78753