Businesses in the American and Mexican food and beverage industry are finding it difficult to swallow the new agreement for trading sugar between the two countries. The deal seems to be palatable for one sector: producers of alternative sweeteners, including at least one company in Arizona. … For packaged food makers and soda companies, overall cost of sugar will go up by $1 billion, according to the Washington-based lobby group Sweetener Users Association. This could be good news for alternative sweetener companies.