In most cases, you don’t want a dense engine. The crumple zone in the Tesla is actually really effective since there is so much compressible space: https://elec

In most cases, you don’t want a dense engine. The crumple zone in the Tesla is actually really effective since there is so much compressible space: https://electrek.co/2017/01/16/tesla-model-s-high-speed-crash-save-life/ https://electrek.co/2017/01/16/tesla-model-s-high-speed-cras... But you could be right that the Tesla’s crumple zone reinforcements didn't impact the bar.