> I always wondered why American cars are so inefficient. Seems such a waste of your significantly cheaper gas Cart before the horse? Cars are inefficient beca

> I always wondered why American cars are so inefficient. Seems such a waste of your significantly cheaper gas Cart before the horse? Cars are inefficient because gas is dirt cheap. If gas were expensive, people would shift away from guzzlers. We have documented evidence of this happening after both the 70s gas crisis and the shift towards hybrids/EVs during the $4/gallon gas $100/barrel of oil days. It's a pretty easy optimization game to play. If we increased gas taxes instead of flat demanding a fleet MPG (which the manufacturers simply game by making one or two hyper-efficient compliance vehicles which lets them continue to build guzzlers), you'd see how quickly the market would turn...