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Whether your fleet includes vehicles that run on compressed natural gas (CNG), propane, hydrogen, or electric batteries, maintaining them safely depends on technicians who know how to depressurize, defuel, purge, or de-energize them when needed. This comprehensive guide outlines safety practices, equipment, and regulations for each fuel type.
Inside, you’ll learn:
- When and how to safely depressurize or defuel CNG, hydrogen, and propane vehicles.
- Proper purging techniques for removing residual gas from fuel systems and cylinders.
- How to safely de-energize high-voltage battery-electric vehicles for service or emergency situations.
- Essential definitions, technician qualifications, environmental considerations, and equipment requirements.
Get step-by-step instructions, safety checklists, and guidance on how to meet industry standards.
Defueling or de-energizing alternative fuel vehicles requires specialized training and instructions. This document is intended for summary-level, general informational purposes only and does not replace manufacturer guidelines or professional training on specific procedures for defueling or de-energizing alternative fuel vehicles. Never attempt to defuel or de-energize an alternative fuel vehicle unless you have received professional training and have in your possession and understand how to implement written instructions from the manufacturer.
