Quote:
Originally Posted by IamIan
There are Solar cells able to convert light to electricity at over 40% efficiency ( more than 4x that of plant photosynthesis ) ... to then get useful work out of that electricity is much much higher energy efficiency than the oil path is.
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Next you need to factor in the production of PV panels - which is consuming a lot of energy in a potentially dangerous process.
With the cheapest PV panels coming from China, you simply don't know how they were produced, and what the environmental damages are.