GOOD DAY FOR: Cheating on your diet, as Frito-Lay is opening an environmentally friendly plant in Arizona that aims to take some of the guilt out of eating potato chips. Using solar power and reusing water and byproduts from frying potatoes, Frito Lay is aiming to take the plant off the power grid. (The New York Times, free registration required)

BAD DAY FOR: The Mediterranean diet, as a 60 percent hike in the price of wheat has pushed up pasta prices as much as 20 percent in Italy, prompting nationwide protest, including a successful pasta strike. “The government can’t impose lower prices,” says Carlo Pileri, who heads a consumer group, “but it can do moral suasion.” (CNNMoney.com)