Serving tacos morning, noon and night has boosted expansion for Chronic Tacos. The 10-year-old San Clemente, Calif., chain is experiencing a better than 20% increase in store counts. The fast-casual Mexican chain added six units in the past year, growing to 36 units in Arizona, California, Idaho and Nevada. Chronic Tacos expanded into Vancouver, Canada, as well. Four more stores are due to open soon, including one at the Marine base, Camp Pendleton.