Coca-Cola produced for the US market is typically sweetened with corn syrup, while the company uses cane sugar in some other countries, including Mexico and various European countries.

Coca-Cola, at his urging, had agreed to use cane sugar in the US.

A blind taste-test Wednesday at the Navy Pier offices of the Sun-Times and WBEZ showed more people prefer the original Coca-Cola over the Mexican variety, sold in glass bottles.