The Shrimp Shack, the award winning bright yellow shrimp truck, has been serving their faous pan-fried garlic shrimp out of their normal parking spot next to Ching's Punalu'u Store at 53-360 Kamehameha Highway since 1998. Unlike the famed shrimp trucks a few miles north in Kahuku who serve shrimp from O'ahu's north shore, Shrimp Shack's uses shrimp farmed on Kaua'i, which owner Irene Theofanis believes are cleaner because of their special diet and well-controlled environment. In addition to…