The main reason for writing “Car tunes” is to emphasize the need to make eco-care safer by making then noise.
The correct option is B.
What are eco cars?
Eco-cars are electric cars that alternate the need of petrol and diesel.
These cars are pollution free or generate minimum amount of pollution.
Electric cars make no noise as their motor produce no sound in running.
These cars only produce noise when run in high speed, and these sounds are produced to indicate that a car is coming or going for safety purposes.
Thus, the correct option is B, to emphasize the need to make eco-care safer by making then noise.
Leran more about eco-cars, here:
https://brainly.com/question/25684373
