It's been awhile since I posted the guide of battery capacity while selecting an EV for your next car. Today I am here to post a table of comparison among most of the EV that available in north America. In the next few posts, I will explain on each of the items that listed here and why it is important to consider those factors.
** not official data
Before we start to discuss in details, let's start with MPGe vs Miles/kWh.
According to Wikipedia:
Miles per gallon gasoline equivalent (MPGe or MPGge) is a measure of the average distance traveled per unit of energy consumed. MPGe is used by the United States Environmental Protection Agency (EPA) to compare energy consumption of alternative fuel vehicles, plug-in electric vehicles and other advanced technology vehicles with the energy consumption of conventional internal combustion vehicles rated in miles per US gallon [1].
Based on EPA’s formula, one (US) gallon is equivalent to 33.7kWh of electricity (or 121 megajoules). Example: Toyota Prius has EPA rating of 50MPG. In term of MPGe, Toyota Prius MPGe will be: 50miles/33.7kWh = 1.48miles/kWh.
As we can see from the first table, despite the bigger battery pack (50kWh vs 28kWh) and heavier curb weight (3554lb vs 3164lb), 2020 Tesla standard range plus is the most efficient EV in the market right now (surpassing 2019 Hyundai Ioniq Electric and became the #1 in the market)
Why is it important to have higher MPGe EV ? It's the same concept as ICE (internal Combustion Engine) cars. The more efficient your car is, the less Gas (or electric) it consume to travel a certain distance. I have own EV for 2 months and what I have learn with high MPGe car is:
- Less charging (save $$)
- Travel more with same charging time at home (on level 2, 240V charger where most of the charging happened at home)
Example:
Charging an hour of Tesla model X long range gave you 11kW of electric and with 3.12m/kWh of efficiency, Model X can travel 31 miles.
In the case of model 3 long range, 11kW can give you 11kW3.86m/kWh = 42miles*
To be continued! (I haven't finish writing this post but it's 1/1/2020! will continue to work on it)
Happy new year.
Cheers!