Preheat the oven to 350ºF (180ºC).
Grease a bundt pan.
In a large bowl whisk together the sugar, oil, and eggs, and mix well.
Add the flour, baking powder, and salt, zest and mix.
Add orange juice.
Mix batter until smooth, but try not to overmix.
Pour batter into the prepared pan.
Bake for 50 minutes or until a toothpick inserted in the cake comes out clean.
Let sit on a rack for 5 minutes until turning the cake out.