Innovation in the automotive sector is the focus at the Grand Prix ACF AutoTech, an industry startup challenge set up by the Automobile Club de France. This year’s winners will be announced on April 14, 2022. In the meantime, here’s a look at the six finalists, each working on innovations from efficient batteries to cleaner and more traceable materials, and each anticipating the needs of the automotive industry in the years to come. Swappable battery packs for light vehiclesIndian startup Racenergy is developing small removable rechargeable battery packs for tuk-tuks, the light three-wheeled v…