Italian oil and gas major Eni SpA (<a href="https://www.borsaitaliana.it/borsa/azioni/scheda/IT0003132476.html?lang=en" target="_blank">BIT:ENI</a>) is in talks to trim further its stake in its renewables arm Plenitude, with the initial expressions of interest valuing the business at up to EUR 13 billion (USD 14bn), including debt, Bloomberg reports.