Rate the following essay on its writing, argument, and language skills:
Having a driverless car in the future would be very useful. The automakers are working diligently on making smart cars more effiecient, but why would we use a smart car that would still need assisting? It will take a while for automaker to get the car to drive without a human assisting them. Driverless cars can be very challenging and may cause issues for people.

Driverless cars still needs a driver on alert while driving. They need a driver's human skills for work zones and accidents. It is going to be difficult when the driverless car alerts the driver. The driver would probably get bored waiting for the alert. Some would probably text while the car is in control or sleep. Automakers should find new way to make the driving experience more fun and safe at the same time.

Having driverless cars may have some benefits. Using the driverless cars for a public-transport taxi system would use half of the fuel we use today. They would be more flexible than a bus. Driverless cars are useful when the driver need someone or something to take over the wheel. Sometimes, the driver will need sleep after a long drive. Automakers are working hard on making the car more efficient and fix any problem that could happen in the future.

Is it really safe to use driverless car? What if it breaks down on us or malfunctions? At an accident, Woud the driver be at fault or the manufacturer? Many problems will occur. In the ninth paragraph, it says, "Most driving laws focus on keeping drivers, passengers, and pedestrian safe." Driverless cars will have some safety issues. The car still need a lot of work to be on the road.

The driverless car still needs improvement. It will cause many issues. It still needs a driver one alert. Driverless cars should not be on the road until it is very safe and efficient to use.

Score: 4