Jim Flavin, the founder of DCC and a 3.22 per cent shareholder, has criticised an improved proposal to acquire the listed energy business made by a private equity consortium as “opaque”.  The improved proposal made by KKR and Energy Capital Partners adds a potential payment of up to £1.25 per share, if DCC can sell its ⁠Nexora technology unit for at least $800 million, bringing the potential price of the business to £5.81 billion (€6.8 billion).  In a call with The Currency, Flavin was scathing of the improved proposal versus the underlying potential value he sees in DCC. “I’ve talked…