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Texas Low Emission Diesel (TxLED) Program

Information relating to the Texas Low Emission Diesel (TxLED) program, approved TxLED alternative diesel fuel formulations, producer / importer registration forms, quarterly reporting forms, alternative emission reduction plan (AERP) forms, and regulatory guidance.
Texas Low Emission Diesel (TxLED) Program

Information relating to the TxLED program, approved alternative diesel fuel formulations, producer/importer registration forms, quarterly reporting forms, alternative emission reduction plan (AERP) forms, and regulatory guidance. The TxLED Program is implemented to reduce emissions of nitrogen oxides from diesel-powered motor vehicles and non-road equipment.

TxLED Affected Counties

List of 110 Texas counties in which the Texas Low Emission Diesel (TxLED) regulations apply. Map, rules, contacts.

TxLED Quarterly Reporting

All diesel producers and importers that have registered with the Texas Low Emission Diesel (TxLED) program are required to submit a TxLED quarterly report to the TCEQ no later than 45 days after the end of each calendar quarter. Download the necessary TxLED quarterly reporting forms here.

TxLED Producer and Importer Registration

All diesel fuel producers and importers must register with the TCEQ by no later than 45 days after the first date that diesel fuel from their production or import facilities is made available for use in any of the 110 Texas counties affected by the Texas Low Emission Diesel (TxLED) regulations. Download the necessary registration form here.

National Clean Diesel Campaign

A campaign by the U.S. Environmental Protection Agency to reduce diesel emissions by working with manufacturers, fleet operators, air quality professionals, environmental and community organizations, and state and local officials.