The Data
Here's what it actually shows.
ICE efficiency (tank-to-wheel)
~20–25%
Source · DOE
EV efficiency (plug-to-wheel)
~85–90%
Source · DOE
Gas car lifecycle CO₂ (US avg.)
~410 g CO₂/mi
Source · EPA
EV lifecycle CO₂ (US avg. grid)
~185 g CO₂/mi
Source · EPA
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