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by Stephen Lacey
May 22, 2017

Stephen Lacey: The Tesla solar roof is finally here. After months of speculation about cost and logistics, we now have more detail on the product. We're going to look at how it compares to regular solar and regular roofs, and where it will fit into Tesla's long-term solar plan.

Then Walmart's project Gigaton. A look at the mega retailers new plan to slash emissions deep in its supply chain.

And finally after four months we have some nominees for America's top energy regulator FERC. We're going to talk about how they could shape the...