malcolm mentioned, the utilities right now are actually -- pg&e, southern california edison and san diego gas and electric are actually selling recs because they overprocured which helped finance investment and they knew they had a place to sell some of that over procurement so they aren't buying more renewable resources than they need for compliance purposes. so, it does help some. but if you want a program that's simply new resources, you either need to say you can say a rec from a new resource. the way the law is written now it's not a rec from a new resource. >> so, one of the things that i've been struggling with is how do you compare the greenhouse gas reductions from a new resource versus an old resource if you're buying pass rate, power from a new resource versus an old resource. instinctively, one would think that the more new resources the better. but i guess i'm sort of a bit -- i'm not quite clear on that because all-new resources become old resources at some point. if you just buy from new resources, then what happens to the -- when they get old. you don't buy from them any m