C4 Energizes Wawa Hoagies Nutrabolt’s C4 is running a promotion at East Coast convenience store chain Wawa that dangles a free can of the brand's energy drink with the purchase of a classic hoagie sandwich. Walmart Adds Hart to Home Improvement From Store Brands, Dec. 3: Store Checks: Super H Mart Bottoms Up: Liquor P-O-P Report Top-down campaigns by alcohol marketers give way to regional efforts driven by field personnel and retailers