Tesla cars are Eco Friendly because they do not release carbon dioxide into the atmosphere. They are also have a powerful battery, which is charged by electricity. Tesla cars use lithium ion batteries to power up their super cars. Also, these batteries are good because you won’t need to start your car and wait in the winter time. For charging the cars there will charging stations. You will save more money in the long run if you buy Tesla cars because you won’t need to buy gas.

It relates to electronic engineering. Electronic engineering is being able to turn electrical energy into mechanical power into these Tesla cars.

Source: https://www.engadget.com/2016/10/31/how-do-tesla-cars-actually-work/