“Whilst the electric vehicles and lithium batteries manufactured by these two companies (Tesla and China’s Guoxuan High-Tech) do indeed help to reduce direct CO2 emissions from vehicles, electricity is needed to power them,” Morgan Stanley wrote. “And with their primary markets still largely weighted towards fossil-fuel power (72% in the U.S. and 75% in China) the CO2 emissions from this electricity generation are still material.”
In other words, “the carbon emissions generated by the electricity required for electric vehicles are greater than those saved by cutting out direct vehicle emissions.”
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This appears to make Tesla just another government subsidized scam like Solyndra, only orders of magnitude larger.
And it will be a long time (if ever) before our electric cars are powered by anything other than coal. You can find some of the facts which prove this here:
https://deutsche-wirtschafts-nachrichten.de/2017/07/10/niemand-weiss-woher-der-strom-fuer-elektro-autos-kommen-soll/ [translation required]