Hero Future Energies (HFE), part of business conglomerate Hero Group, has signed a memorandum of understanding here with the Uttar Pradesh government for investing Rs 4,000 crore in a renewable energy and clean technology project. The MoU was signed by Agriculture Production Commissioner and Infrastructure & Industrial Development Commissioner of the Uttar Pradesh government Manoj Kumar Singh and Hero Future Energies Chairman and MD Rahul Munjal on the sidelines of the World Economic Forum Annual Meeting here.