GM: I think that we're seeing in many instances, already, that absent effective policy, clean technology is not cost competitive with the carbon intensive alternative. They're not going to take the option that delivers lower returns, and in many instances they have a fiduciary obligation to take the path that delivers higher returns, so they're pigeon holed. That's why i think policy is essential. If you had a price on carbon, then all of a sudden, you would have a completely changed perspective in the asset management and investor community about what's valuable and what isn't, and what's risky and what isn't, because you would finally integrate the externalities of emissions into the valuation of these carbon intensive assets. That's just one example. There are others that are more sector specific. If we're actually trying to transition truck fleets across the US to electric trucks as opposed to diesel trucks, the total cost of ownership right now for long-haul trucking really depends on enhanced incentives from federal and state government in the intermediate term to balance out the cost of ownership. In the long term we'll see that electric trucks are the superior choice to diesel. But for now when we need to transition we need that policy catalyst, and asset managers can't input that, because of the incentives that are needed, and that's just not what they're designed to do. Investors are equipped to react to market trends and invest where they see strong risk adjusted returns, but what shapes those risk adjusted returns is the policy landscape to a large degree, and that's out of the investor's control.