Definition of "regen" [regen]

• Regeneration (noun)
• Regenerate (verb)

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• "A series wound motor with no regen is by far the most common arrangement."
• "Best thing to do if you want to fake out a DPF and not go into regen is to take out the Filter itself and have a hallow section while leaving the sensors."
• "Although regenerative braking is always triggered when the brake pedal is depressed, the "regen" mode steps it up a notch."