New York City food carts would also be affected by Mayor Michael Bloomberg's proposal to ban sugary drinks 16 oz. and larger. Andrew Burton/Getty Images hide caption

itoggle caption Andrew Burton/Getty Images

New Haven Public Schools' summer food truck will deliver an expected 40,000 free meals to kids in eligible neighborhoods during July and August. Timothy Cipriano/New Haven Public Schools hide caption

itoggle caption Timothy Cipriano/New Haven Public Schools

Picnic foods that were made to move: (clockwise from left) peanuty noodles, rice with pigeon peas, chocolate cookies and kale with peaches and feta. Deena Prichep for NPR hide caption

itoggle caption Deena Prichep for NPR

A Tokyo sushi restaurant displays blocks of fat meat tuna cut out from a 269kg bluefin tuna. Yoshikazu Tsuno/AFP/Getty Images hide caption

itoggle caption Yoshikazu Tsuno/AFP/Getty Images

A dish created by chef Guillermo Pernot, a master of "Nuevo Latino" cuisine. He says his food carries influences from many groups, including the Spanish, Africans, Chinese, French and Americans. Courtesy of Guillermo Pernot. hide caption

itoggle caption Courtesy of Guillermo Pernot.

First lady Michelle Obama tends to the presidential garden during the third annual White House kitchen garden fall harvest in October 2011. The last vegetable garden planted at the White House was Eleanor Roosevelt's victory garden. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP