“ Actually solar constant is 1361 W per m2, but you would have to be out of the Earth's atmosphere to get that. On the surface it's just about 1000 W... (read full comment) ” 

Posted on October 10, 2011 at 10:20 AM EDT

“ Efficiency Other than "it's doable" I don't quite see how this makes sense in terms of efficiency. Isn't using a PV panel to generate electricity... (read full comment) ” 

Posted on April 7, 2011 at 4:18 AM EDT

+ 1 more comment posted in this discussion

“ Energy=work. Power!=energy. kWh is a unit of work OR energy, and kW is a unit of power. Power in a unit of time is a unit of energy/work. Really... (read full comment) ” 

Posted on November 16, 2010 at 9:19 AM EST

“ I think it would be very beneficial for you to go to some high tech plant in the USA (say Intel for instance) and just watch the people entering... (read full comment) ” 

Posted on October 23, 2010 at 7:55 AM EDT

“ Mazda's SKYACTIVE-G and SKYACTIVE-D with its 14:1 compression ratios (the highest ever for gasoline and the lowest ever for diesel engine) may... (read full comment) ” 

Posted on October 23, 2010 at 7:35 AM EDT

“ Don't jump to conclusion so quickly: Solarprint and FIAT are doing just that in an effort to reduce fuel/energy consumption. Solarprint's solar... (read full comment) ” 

Posted on October 13, 2010 at 3:55 AM EDT