EFEI: Equivalent Fuel Economy Improvement
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Others
Language: English
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What is the full form of EFEI?
EFEI stands for Equivalent Fuel Economy Improvement. Fullformexpand.com has 4 other full forms for abbreviation EFEI.
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"EFEI." Fullformexpand.com, https://www.fullformexpand.com/efei/204707. Accessed 11 Jan. 2026.
Fullformexpand.com, 2026. "EFEI." Accessed January 11, 2026. https://www.fullformexpand.com/efei/204707.
"EFEI." (n.d.). Fullformexpand.com. Retrieved January 11, 2026, from https://www.fullformexpand.com/efei/204707.
EFEI. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/efei/204707 (Accessed: 11 January 2026).
Found 4 other full forms for EFEI →
| Term | Full Form | Category |
|---|---|---|
| EFEI | E f e i Ente formazione Edile Italia
| Others |
| EFEI | EarthFax Engineering Incorporated
| Others |
| EFEI | Earthquake Fire Expense Insurance
| Others |
| EFEI | East Florida Eye Institute
| Others |
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