"That's great!"
It is likely a sing of a sinking standard of living. Had to come sooner or later, so I would not call it "bad".
"But, overall energy use per GDP will fall through the floor due to their much higher energy efficiency vs gas powered cars." Highly improbable.
Wealth And Energy Consumption Are Inseparable http://www.declineoftheempire.com/2012/01/wealth-and-energy-...