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Preheat oven to 350°.
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Coat a 12-cup Bundt pan with cooking spray; dust with 2 tablespoons flour.
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Combine granulated sugar, milk, egg substitute, oil, rind, and juice in a large bowl; stir with a whisk until well combined.
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Combine 2 1/4 cups flour, baking powder, salt, and baking soda; stir well with a whisk.
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Add flour mixture to oil mixture, stirring with a whisk until smooth.
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Pour batter into prepared pan. Bake for 55 minutes or until golden brown and cake begins to pull away from sides of pan.
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Cool cake completely in pan on wire rack. Invert cake onto a plate.
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Place the orange marmalade in a microwave-safe bowl. Microwave at HIGH 1 minute. Stir and spoon hot marmalade evenly over cake. Cool completely.
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Sift powdered sugar over top of the cake.