The following video is from Tuesday's Digging for Value, in which host Alison Southwick and Motley Fool energy analysts, Joel South and Taylor Muckerman, get to the heart of the biggest stories in energy investing today.

In today's segment, Joel South looks at the WTI-Brent benchmark spread and offers a scenario where the spread could expand to 2012 levels. Joel also looks at the growing light crude production in the United States and offers a few refiners who could benefit from the crude discount. 

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