Take a peak inside the Solix labs to see their oil-from-algae operation up close in our photo gallery and video

“Here it is!” Jim Sears says with a tour guide’s come-see enthusiasm.

Ethanol is a renewable, homegrown fuel that can help lower U.S. dependence on foreign oil. But as more and more ethanol is made from corn, less and less corn is available for food production, and that’s causing some unforeseen problems.

Corn is a mainstay of American agriculture— it’s an important ingredient in cereals and baked goods, and corn syrup is used to make processed foods like candy, chips and soft drinks. But most importantly, corn is the major source of food for cattle, pigs, turkeys and chickens that are headed for the dinner table.