Australian fuel supplier Ampol Ltd has made a NZ$ 1.97 billion($ 1.34 billion) takeover bid for New Zealand peer Z Energy, valuing it at a 24% premium to its last closing price, the companies said on Monday.Z Energy said it will open its books to Ampol following the NZ$ 3.78 a share buyout offer, which it said followed three previous approaches that were not publicly disclosed. Shares of Z Energy soared over 17% on news of the bid to NZ$ 3.58, their highest since March 2020. The company said Amp