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          <link:definition>999063 - Disclosure - Schedule of Transactions with Related Parties (Details) (Parenthetical)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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        <link:roleType roleURI="http://uni-fuels.com/role/ScheduleOfBalanceWithRelatedPartiesDetails" id="ScheduleOfBalanceWithRelatedPartiesDetails">
          <link:definition>999064 - Disclosure - Schedule of Balance with Related Parties (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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        <link:roleType roleURI="http://uni-fuels.com/role/SegmentInformationDetailsNarrative" id="SegmentInformationDetailsNarrative">
          <link:definition>999065 - Disclosure - Segment information (Details Narrative)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://uni-fuels.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
          <link:definition>999066 - Disclosure - Subsequent Events (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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        <link:linkbaseRef xlink:type="simple" xlink:href="ufg-20251231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="ufg-20251231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="ufg-20251231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="ufg-20251231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
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    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
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    <import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd" />
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    <element id="UFG_AdvancesToShareholderMember" name="AdvancesToShareholderMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="UFG_ThreeMUSDCommercialPaperSeries003Member" name="ThreeMUSDCommercialPaperSeries003Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="UFG_ThreeMUSDCommercialPaperSeries004Member" name="ThreeMUSDCommercialPaperSeries004Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
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    <element id="UFG_DisclosureRouAssetsAndOperatingLeaseLiabilitiesAbstract" name="DisclosureRouAssetsAndOperatingLeaseLiabilitiesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
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    <element id="UFG_ScheduleOfMovementOfPrepaymentsAndOtherAssetsAllowanceForCreditLossesTableTextBlock" name="ScheduleOfMovementOfPrepaymentsAndOtherAssetsAllowanceForCreditLossesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
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    <element id="UFG_SeaOilPetroleumMember" name="SeaOilPetroleumMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
</schema>
