We all know hypercar maker Bugatti’s cars are stunning to look at and ridiculously expensive, but some of the details in the new 16-cylinder hybrid Tourbillon are remarkable even in the modern car world. For a start, the new €4.5-million Tourbillon, which is named after a device for boosting accuracy in high-end timepieces, does not have a reverse gear, even if it can still go backwards. It uses one of two electric motor to rotate the rear drive shafts in both directions. The driver slots the pretty, crystal-glass selector lever in the transparent centre console to “R”, and the electric motor …