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Touchscreens Are Out, and Tactile Controls Are Back
(spectrum.ieee.org)
This is a most excellent place for technology news and articles.
We had efficiency answered decades ago during the 70s fuel shortage. Big oil didn't want to normalize cars like the Vega, Moodymobile, VW Rabbit, later the Geo Metro. They wanted us to burn more oil not less. And that hasn't changed. Cars don't need to be designed in wind tunnels.
Regulations on fossil fuels have become very strict in Europe and any manufacturer wanting to sell there is going to maximize aerodynamics. Not to mention the increased range for electric cars. Most people still view cars as utilities, they care more about how far it can go on one charge instead of cool angular designs.