FRANKFURT, Sept 15 — The Frankfurt car show, which runs until September 22, is the occasion to discover the latest and greatest from the world’s automotive manufacturers. Most notable among which are a number of zero-emission concept cars, whether all-electric or hybrid. Here are four examples in full motion.

Audi AI:TRAIL quattro

Audi took to the Frankfurt show to unveil a new concept car in the guise of an all-electric, all-terrain and almost self-driving vehicle. The futuristic concept has four electric engines, each of which is connected to one of its humongous wheels.

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BMW i Hydrogen NEXT

This electric hydrogen fuel cell SUV prototype is based on the X5. The idea is for BMW to demonstrate that such a technology can already be adapted to a functioning vehicle, ahead of an eventual integration in a hydrogen-specific model before 2025.

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Cupra Tavascan

Spanish manufacturer Cupra showed its first all-electric vehicle, the Tavascan, which is equipped with one electric engine on each axle and has a range of 450 km, hinting at a future series model.

Mercedes EQS

The Mercedes-Benz Vision EQS is the fruit of a design study for an all-electric sedan, acting as a sneak peek for a series model that should arrive sometime in 2021. The show car is equipped with two electric engines totalling 350 kW, which produce 476 hp.

The 68th International Motor Show Germany takes place in Frankfurt through September 22, 2019. — AFP-Relaxnews