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Yeah people are using it for research purposes. It is true true that in future there will be various kind cars.

Yeah for researches but not for a daily life, so we will waiting for that)

Yeah for daily life most probably we gonna use them soon :)

Btw Are you Engineering Student?

Yep, environment science

Hmm i got it. Otherwise you couldn't think of it :D
Btw I'm Engineering student too