A $20 billion Biden administration green-energy slush fund was collecting interest at a private bank and is being distributed without proper oversight, Environmental Protection Agency Administrator Lee Zeldin reveals in an exclusive interview. President Joe Biden’s EPA parked $20 billion at the financial institution, which The Post has learned is Citibank, as part of the 2022 Inflation Reduction Act’s Greenhouse Gas Reduction Fund. But the awardees weren’t announced until August 2024 and Citibank not brought in until September — after Biden’s disastrous June debate performance led him to withdraw from re-election in July, making a very different race with Kamala...