Note:

This is not a finished submission, just looking for feedback for the December 11 submission date. mainly looking for feedback on the graphs as supporting documents and descriptions are not fully completed.

The Growth of Electric Vehicles

Plot 1

This plot shows the number of EVs over time on top to establish the fact that EVs have been growing at increasing rate. Then the graph on the bottom represents gasoline prices over time mapped to follow the same x-axis in order to allow for comparison. Though it can not be proved through this graph, you can see in the later years that gas prices rose and EV sales rose at an increasing rate which proposes the thought of how much higher gas prices may persuade consumers to switch to EVs.

Plot 2

Shiny applications not supported in static R Markdown documents

This plot displays EV sales over time, separated by the type of EV: PHEV, FCEV, and BEV. Plug-in Hybrid Electric Vehicles (PHEVs) have both an electric motor and a gasoline powered engine, using 100% electric power until it runs out and switches to gas. Battery Electric Vehicles (BEVs) are fully electric vehicles with rechargeable batteries. Fuel Cell Electric Vehicles (FCEVs) use a fuel cell to power an electric motor, classifying as zero-emissions. This reinforces the idea of the growing quantity of not just EVs but EV sales and allows us to view the distribution of different types, when they entered the market, and how they have grown over time.

Plot 3

Shiny applications not supported in static R Markdown documents

This shiny app shows EV sales share, EV stock share, and Electricity Demand for either cars or buses. This interactivity allows you to make comparisons between buses and cars and look at the trends over time which can be displayed by selecting the trend line option.

Plot 4

Plot 4 gives us an overview of the United States showing how many EVs are registered in each state.

Plot 5

Plot 5 displays the proportion of chargers to EVs over time in order to emphasize the fact that EVs are growing at a faster rate than EV chargers are.

Plot 6

Plot 6 reinforces the idea of a lack of infrastructure in terms of charging points from Plot 5 by showing the projected data in the coming decade and emphasizing the increasing gap between EVs and Chargers through the use of stacked area plot.

Plot 7

Plot 8