Photovoltaic salesman

Limited special knowledge for the sell of photovoltaic surrounded by a really legendary nescience. How sould a poor politician know all, when even a specialist?

At an event, it was possible to watch a photovoltaic salesman at his work. He told the potential customer in a perfect way the advantages of his product compared to other PV-modules. This man ist good, this man is informed, so let's test with my question list.
  1. What said April 2008 the chief economist of the IEA about the development of oil produciton?
  2. What does the worldwide largest cellphone battery company to increase the turn around per customer 5000 times
  3. The Renault Kangoo drives with 1 kg natrual gas 12 km inside town. How far drives the Plug-in Hybrid variant Cleanova II from the Kangoo with 1 kg natural gas?
  4. How many electric scooters are in China underway?
All questions from the area replace crude oil with renewable electric power. No answer instead an unbelievable improper remark:

"All car companies have for a long time hydrogen cars in the drawer"

That cann't be true! No idea about the problems with hydrogen and the price of the fuel cell, instead of this a very simple conspiracy theory. But there comes more:

"You should write why the Diesel is in Stryia 1,20 EUR and in Germany 1,35 EUR"

I try to explain the photovoltaic salesman, that photovoltaik is already cheaper than Diesel and we need only the Plug-in hybrid cars to use this advantage. But this is not interesting for him. He knows only his arguments leared on the salesman seminar for photovoltaic, everything else is unimportant.

When even a photovoltaic specialist is so unknowing, how shoulc a politician know the ropes? A politician has to built up his mind by the statements of many different specialists.

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