Holiday Office Closure

In observance of the Christmas holidays, Railroad Commission of Texas offices will be closed December 23-27. The offices will re-open at 8 a.m. on Monday, December 30 for regular business. Expedited Drilling Permits will be processed within standard processing times. If assistance is needed, please email Drillingpermits-info@rrc.texas.gov.
RRC maintains a 24-hour emergency phone line to report any leaks or spills. That number is 844-773-0305

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LP-Gas Vehicle Conversion Manuals

Use the links below to view or download a PDF copy of LP-gas vehicle conversion manuals. AFRED developed these courses and manuals for the Propane Education and Research Council, under PERC Docket 17243.

Converting Vehicles to Propane Autogas

Part 1: Installing Fuel Tanks and Fuel Lines (PDF)

Part 2: Installing Underhood Components (PDF)

Part 3: Installing and Operating Dispensers (PDF)

Part 4: Troubleshooting Four Current Autogas Fuel Systems (PDF)
Off-Road Applications of Propane Engine Fuel (PDF)