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jan 1, 1970 - Exxon lowerd the cost of solar cells

Description:

Exxon funded research of Dr.Elliot Bernam to prodice a cheaper solar cell. The cost was brought down from $300 to about $20 per watt.

Added to timeline:

7 months ago
0
0
59
econ

Date:

jan 1, 1970
Now
~ 49 years ago
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