Why is diesel so much more expensive than gasoline?

The average price of diesel fuel is at a record high in the United States. This means the cost of transporting goods is also going up, and consumers will feel it. Tom Kloza, chief energy advisor for Gulf Oil, talks about how high prices might get and the factors driving them up. Then, in Michigan, many small businesses are facing rising health care costs. We speak with Brian Calley, head of the Small Business Association of Michigan. And, what looks like a leopard, but is tinier than a house cat? It's leopardus tilcayo, the first new cat species discovered in a hundred years. We talk with biologist Paola Nogales-Ascarrunz about the discovery.

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