I didn't know they skipped 10 version numbers.
Nice.
From my research, it's boils down to:
1. Car is still a wealth marker. Not enough people think about it just as a means of transpiration. If they do they mostly use public transport or uber/escooters.
2. Car frame - you need to meet security standards, it cost a lot
3. Battery - current technology is expensive
4. Car lobby - especially in Europe, there are large tariffs to bring EV cars from Asia.
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Any downsides to this air battery that wasn't mentioned in the article?