@sokane1 They use it on a few test vehicles when validating autopilot/FSD changes. It's not in any consumer cars. It just lets them verify that the camera system is accurate by having something to compare to.
@nntaleb Looks entirely confounded. Babies driven home in Mercedes live longer. People who drink champagne every day live longer. Etc.
IF has no special benefits, but also this "study" is whack. Overweight people have more heart attacks and also try things like fasting to lose weight.