Cola by citric or other isolated acids. Coca-Cola's recipe is maintained as a corporate trade secret. A variety of different sweeteners may be added to cola, often partly dependent on local agricultural policy. High-fructose corn syrup (HFCS) is predominantly used in the United States and Canada due to the lower cost of government-subsidized corn. In Europe, however, HFCS is subject to production quotas designed to encourage the production of sugar; sugar is thus typically used to sweeten sodas. In addition, stevia or an artificial sweetener may be used; "sugar-free" or "diet" colas typically contain artificial sweeteners only. In the 1940s, Coca-Cola
Baratunde A. Cola Waterman Award. Baratunde A. Cola Baratunde A. Cola (born March 17, 1981) is a scientist and engineer specializing in carbon nanotube technology. Cola was born in Detroit, Michigan but was raised and schooled in Pensacola, Florida. He attended Vanderbilt University where he graduated with a Bachelor of Engineering degree in mechanical engineering in 2002 and Master of Science in mechanical engineering degree in 2004. While an undergraduate he was also starting fullback for the Vanderbilt Commodores football team. After Vanderbilt Cola took his PhD, awarded in 2008, in mechanical engineering at Purdue University under the supervision of Dr. Timothy Fisher.