Introduction and Motivation

With the development of society and the advancement of science and technology,      electric vehicles are becoming more and more popular, and there is a tendency to       catch up with gasoline and diesel vehicles. As a new energy vehicle, electric vehicles can be divided into pure electric vehicles, hybrid electric vehicles, etc. according to    the proportion of energy. Meanwhile, due to some international factors, gasoline        prices have recently hit new highs. So I think some potential gas car consumers,         including me, will reconsider buying an electric car because of this. Therefore, I want to find out the advantages and disadvantages of the electric vehicles comparing with  the gas vehicles. This report aims to find out

1. Are Electric cars more Economical?

2. Are Electric cars safe?

3. Will the gas vehicle consumers change their consumption habits due to oil prices rises?

Data Wrangling

Plot type: Bar chart

The advantage of bar chart is that on the one hand, it is convenient for users to            understand a large amount of data and the relationship between data. Another              advantage is that users can read the original data more quickly and intuitively through visual symbols. Since we want to see the best−selling plug−in electric vehicle models worldwide in 2021, so the bar chart is more appropriate.

Plot type: Pie Chart

Also, in order to intuitively see the market share of electric vehicles with different prices in China, I chose the pie chart.

Data Checking

For the data checking, to find out if the datasets are reliable. Firstly, read the EV      brand, range data and displayed the results in R studio. Then I sorted the data values reverse order. After checking the value, there is no null value. When I compare the   volume of electric cars and non-electric cars of USA, I first add BEVs, PHEVs and EVs together as EVs.

Data Exploration

As reported by Mathilde Carlier (2022), it is directly to see that around world, among many brands and models of electric vehicles, the Tesla Model 3 had the highest         selling, which is 501000. The second one is Wuling HoungGuang Mini EV, which is the cheapest among these models.

Through the line chart, it is very clear that the sales volume of electric vehicles

increased very fast from 2016 to 2021, especially from 2020 to 2021.

occupy the highest market   share in China, and Tesla happens to be in this price range, indicating that people's recognition of electric vehicles and Tesla is very high.

From the safety report by Euro NCAP,           Tesla's various models have the highest safety rate compare with

other brands.

From this scatter plot by exploring the                  relationship between      price and range, we find that it is probably           positively correlated.      However, the range of   most electric vehicles on sale is concentrated

between 250km and

500km, and the price is also concentrated between 30000 euros and 70000 euros,        which also verifies that electric vehicles in this price range are the most recognized by

people around the world.

The top speed is also a factor           considered by some consumers. In   this figure, the price is positively      correlated with the top speed. This   also shows that the higher the           performance of electric vehicles, the higher the price.

In this chart, the price is          negatively correlated with the acceleration time. This also     shows that the higher the price of electric vehicles, the shorter the acceleration time, and the  better the performance.

By comparing the changes of vehicle registration in the United States from 2018 to    2022, we find that people's enthusiasm for fuel vehicles is gradually decreasing, so    they turn their attention to electric vehicles or new energy vehicles, which reflects the enhancement of people's awareness of environmental protection and the low daily

consumption of electric vehicles.

200000

Segment

A B C D E F N S

50000

A              B              C              D              E              F              N              S

Segment

Through the price cost   investigation of some car    enterprises, we also explore the price range of electric    vehicles, which once again  confirms that most of the    prices of electric vehicles    are concentrated in segment

B, C and D.

Conclusion

In conclusion, through our calculation and comparison of various data, we find that

people's expectations for electric vehicles are different from fuel vehicles. Electric

vehicles with a price between 40000 and 60000 euros are the most recognized. In the  higher price, consumers are more inclined to buy fuel vehicles, which has always        been the consumption view of consumers. However, with the increase of oil price and the improvement of safety, luxury and range of electric vehicles, more consumers will choose electric vehicles in the near future.

Codes