Interesting PBS video. After retching my way past the man made climate change propaganda, there were some interesting developments. However, no battery made has the energy density of a gallon of gasoline. No car battery made can recharge in anything vaguely approaching the time it takes me to tank up. The cost of replacing the expended battery pack after a few years is many thousands of dollars. Those car batteries are several hundred volts. I am waiting to read about the first person to get electrocuted. After billions spent over the last few decades, only a few percent of our energy comes from alternate sources. While they are playing with new technology , they are ignoring the far less glamorous infrastructure like the Orroville dam, that is falling apart. The electical grid that is supposed to carry these wonderous sources of stored energy is also falling apart and totally insecure from cyber attack. They better get their priorities straight. Man made global warming was just solved...at the ballot box. Global temperature unchanged for last 15 years. Sea level rise, so far: ZERO. Correlation between CO2 level and temperature: unclear. Actic icecap shrinking, Antarctic ice cap expanding. Scientsts that disagree too loudly risk losing their jobs ar ulta Liberal universities. Global temperature rising? Probably, it has gone up and down for millions of years. 10,000 years ago the ice cap covered most of the northern hemisphere. In the age of the dynasaurs it was hot as hell, all without a single fossil fuel burning car or power plant.
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