The meaning of the Acronym PEF is...

PEF is

• Process Engineered Fuel

More Meanings For PEF:

• Preferred Executable File
• Platform Event Filtering
• Password Encrypted Format
• Plain English Firewall
• Pulse Electric Field
• Pervy Elf Fancier
• Peak Expiratory Flow
• Public Enterprise Fund
• Standard & Poors 500 Protected Equity Fund
• Process Engineered Fuel
• Political Education Fund
• Pooled Emergency Fund
• Progressive Economics Forum
• Perpetual Education Fund
• Public Education Foundation

PEF is also in:

• Assembly
• Conferences
• Educational
• Electronics
• General
• Networking
• Non-Profit Organizations
• NYSE Symbols
• Physiology
• Politics
• Products
• Science Fiction
• Security
• US Government