> I don't know if anyone has done good studies on it. And why would they! If an industry or country can get an advantage out of a renewable tech, it's not in t

> I don't know if anyone has done good studies on it. And why would they! If an industry or country can get an advantage out of a renewable tech, it's not in their interests to fund studies if they could give the wrong answers. That's the reality of it. Biofuel was a good case in point, it's proponents are now back peddling pretty fast. The drive to profit forbids foresight. You can add diesel cars, electric cars, and CFD, LED bulbs to that list too.