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Low–Reid Vapor Pressure Gasoline

Information and links to documents regarding the state regulation to reduce emissions of volatile organic compounds from gasoline.

Clean gasoline is covered by an enforceable rule under Texas’ State Implementation Plan (SIP). This page provides information and downloadable documents on this control strategy.


Areas affected: Anderson, Angelina, Aransas, Atascosa, Austin, Bastrop, Bee, Bell, Bexar, Bosque, Bowie, Brazos, Burleson, Caldwell, Calhoun, Camp, Cass, Cherokee, Colorado, Comal, Cooke, Coryell, De Witt, Delta, Ellis, Falls, Fannin, Fayette, Franklin, Freestone, Goliad, Gonzales, Grayson, Gregg, Grimes, Guadalupe, Harrison, Hays, Henderson, Hill, Hood, Hopkins, Houston, Hunt, Jackson, Jasper, Johnson, Karnes, Kaufman, Lamar, Lavaca, Lee, Leon, Limestone, Live Oak, Madison, Marion, Matagorda, McLennan, Milam, Morris, Nacogdoches, Navarro, Newton, Nueces, Panola, Parker, Polk, Rains, Red River, Refugio, Robertson, Rockwall, Rusk, Sabine, San Jacinto, San Patricio, San Augustine, Shelby, Smith, Somervell, Titus, Travis, Trinity, Tyler, Upshur, Van Zandt, Victoria, Walker, Washington, Wharton, Williamson, Wilson, Wise, and Wood counties.

Start date: May 1, 2000
End date: None
Applicability Period: May 1 through October 1

Source type: On-road mobile source
Emissions targeted: Volatile Organic Compounds (VOCs)
Rule: 30 TAC 114, Subchapter H, Division 1 (PDF) (HTML exit.gif)

Description: The original adoption of this rule in June 1999 set a cap on sulfur of 150 parts per million, and set a summer month Reid vapor pressure of 7.8 pounds per square inch, effective May 2000. In December of 1999, the EPA established a national standard for low-sulfur gasoline (with a sulfur content of 30 ppm and a cap of 80 ppm) starting January 1, 2004. Since the national standard was more stringent than the proposed state rule, and began around the same time, the state sulfur requirement was repealed in the December 2000 revision in lieu of the national standard. Changes were also made to prohibit producers from increasing the use of MTBE in gasoline. On September 12, 2001, the commission adopted amendments to the rule on Reid vapor pressure to allow research laboratories and academic institutions to conduct research using gasoline with a higher RVP, and to provide flexibility by more closely matching the exemptions established for the gasoline RVP rules to those exemptions allowed in the diesel fuel rules.

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Related Rules and Associated SIP Revisions

These files are available in PDF.

Rule: 30 TAC 114, Subchapter H, Division 1 (PDF) (HTML Exit the TCEQ)

Rule Project No. 2014-002-114-AI

This rule was proposed and adopted without an associated SIP revision.

Rule Project No. 2001-009-114-AI

This rule was proposed and adopted without an associated SIP revision.

Rule Project No. 2000-011F-114-AI

This rule was associated with the Houston-Galveston-Brazoria SIP revision of Dec. 2000.

Rule Project No. 2000-002-SIP-AI

This rule was associated with the Clean Gasoline SIP April 2000.

Rule Project No. 1998-058-SIP-AI

This rule was associated with the Clean Gasoline SIP April 1999.

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Contact Us

Michael Regan
Air Quality Division, TCEQ
Phone: 512-239-2988

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