> >With oil prices at an all-time high and Big Oil
> >reporting record profits this year has been exceptional.
>
>
> Am I missing something? If prices for a raw input go up then the sale price
> also goes up. However, provided the prices go up at near the same rate of
> the inputs then profi
I wish I understood the currently relative higher price for diesel vs. gasoline
in the US (I live in Massachusetts). There are certainly supply and demand
factors related to winter use of "diesel" for home heating, as well as
refineries running at high utilization and designed to optimize gaso
I think most of your math and analysis is correct, except didn't you leave out
the PV cell efficiency of about 20%? So if the energy arriving is 1000 W/m2,
the PV panel can only convert about 200 W/m2 to electricity, so a square meter
panel generates more like 200W, not 1000W, and still needs t
