Complex sentence: Its yellowfin tuna dishes are pole and line caught and are reportedly the restaurant's only ingredient to be shipped in air; its scallop dishes are sourced by hand-diving and the firm's cooking oil is collected and made into biodiesel.
Split into simpler sentences: Its yellowfin tuna are pole and line caught and reportedly the restaurant's only menu item to travel by air. Its scallop dishes are sourced by hand-diving and the firm's cooking oil is collected and made into biodiesel.