The Lexus LFA's digital tachometer addressed engineering challenges while adding emotional drama to the supercar's cockpit.

Ever since the first race cars were built, it's been helpful for drivers to know their engine speed. It may sound obvious, but engine power is always a function of engine speed, so accurately knowing ...

The Lexus LFA’s famed digital tachometer, often said to be necessary because its V10 revved too quickly for analog gauges, was as much about design and driver experience as engineering. While the high ...