A company in Batavia, Illinois is making butter in a way you've never seen before. No animals, no plants, no oils; this butter is made from carbon. The sustainability-focused approach has the blessing and backing of Bill Gates. It looks, smells and tastes like the butter we all know, but it's made without the farmland, fertilizers or emissions tied to the typical process. This unprecedented process is happening at the facilities of Savor in an industrial park in the suburbs west of Chicago. "So you're using this gas right now to cook your food and we're proposing that we would...