While I wish it were so, I believe they overlook several key aspects of the situation, leading to an overly optimistic conclusion. (firstthings.com)
Some economists, of course, have drawn optimistic conclusions from this changed situation. (religion-online.org)
Of course we see here also how essential including cogeneration (typically combined heat and power using natural gas) is for drawing such optimistic conclusions about micro generation. (dotearth.blogs.nytimes.com)