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authorPaul Duncan <pabs@pablotron.org>2021-10-20 19:46:52 -0400
committerPaul Duncan <pabs@pablotron.org>2021-10-20 19:46:52 -0400
commit2513878427a56589e3b079cdd98be0f208400bce (patch)
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parent3777e92da051173cfd16bc5b1e952a60a3740eb1 (diff)
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articles/ev-crash-course.md: remove several tables
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1 files changed, 10 insertions, 26 deletions
diff --git a/content/articles/ev-crash-course.md b/content/articles/ev-crash-course.md
index 35e109d..041c06c 100644
--- a/content/articles/ev-crash-course.md
+++ b/content/articles/ev-crash-course.md
@@ -7,10 +7,7 @@ toc: true
---
## Reading EV Specs
-|Vehicle Type|Efficiency Unit|Capacity Measure|Capacity Unit|
-|------------|---------------|----------------|-------------|
-|Internal Combustion Engine (ICE)|Miles per Gallon (MPG)|Gas Tank Size|Gallons|
-|Battery Electric Vehicle (BEV)|Watt-hours per Mile (Wh/mi)|Battery Capacity|kilowatt-hours (kWh)|
+{{< table "ev_crash_course" "types" >}}
**Note:** Unlike MPG, a lower Wh/mi is *more efficient* than a higher
Wh/mi, because the numerator (Wh) and denominator (mi) are reversed. In
@@ -27,12 +24,7 @@ Here are the efficiency, capacity, and range ratings from
[fueleconomy.gov][epa] for the vehicles used in the examples below:
**EPA Efficiency and Range Ratings**
-|Model|Efficiency|Capacity|Range (miles)|
-|-----|----------|--------|------------:|
-|[2019 Tesla Model 3 LR AWD][epa-model3]|290 Wh/mi|75 kWh|310 mi|
-|[2017 Hyundai Ioniq Hybrid][epa-ioniq]|55 MPG|11.9 gallons|**650 mi**|
-|[2021 Ford Mustang Mach-E Standard RWD][epa-mach-e]|295 Wh/mi|64 kWh|230 mi|
-|[2020 Hyundai Kona EV][epa-kona]|280 Wh/mi|64 kWh|258 mi|
+{{< table "ev_crash_course" "epa_ranges" >}}
## Chargers
EV chargers ([Electric Vehicle Supply Equipment, or EVSE][evse]) are
@@ -40,22 +32,14 @@ grouped into three categories by power output, measured in kilowatts
(kW):
**Charger Types**
-|Type|Charging Speed (mi/hr)|Power (kW)|Efficiency (%)|Time (50 Miles)|Time (90% SoC)|Time (100% SoC)|
-|----|---------------------:|---------:|-------------:|-------:|--:|---:|
-|Level 1 (L1)|5 mi/hr|1.2 kW|85%|10 hours|57 hours|63 hours|
-|Level 2 (L2)|25 mi/hr|7.2 kW|95%|2 hours|10 hours|11 hours|
-|Level 3 (L3)|500 mi/hr|150 kW|99%|6 minutes|45 minutes|1 hour|
-
-Columns:
-
-|Column Name|Column Description|
-|-----------|------------------|
-|Type|Name and abbreviation.|
-|Charging Speed (mi/hr)|Miles of range per hour gained by a [2019 Tesla Model 3 LR AWD][epa-model3] for this type of charger. I like to use miles per hour instead of kW because it's easier for people to visualize than kW.|
-|Efficiency|Energy efficiency for this type of charger, expressed as a percentage and calculated as the difference between the energy from the wall minus the energy that reaches the battery, divided by the energy from the wall (`(Ew - Eb)/Ew`).|
-|Time (50 Miles)|Time to gain 50 miles of range in my car using this type of charger. I included this column because [most Americans drive less than 40 miles per day](https://www.bts.gov/archive/publications/passenger_travel_2015/chapter2a).|
-|Time (90% SoC)|Time to charge my car from 0% to 90% using this type of charger. I included this column because you don't charge EVs to 100% except on long trips.|
-|Time (100% SoC)|Time to charge my car from from 0% to 100% using this type of charger.|
+{{< table "ev_crash_course" "charger_types" >}}
+
+Notes:
+
+* **Charging Speed (mi/hr):** I like to use miles per hour instead of kW because it's easier for people to visualize than kW.
+* **Efficiency:** Energy from the wall minus the energy that reaches the battery, divided by the energy from the wall (`(Ew - Eb)/Ew`).
+* **Time (50 Miles):** I included this column because [most Americans drive less than 40 miles per day](https://www.bts.gov/archive/publications/passenger_travel_2015/chapter2a).
+* **Time (90% SoC):** I included this column because you don't charge EVs to 100% except on long trips.
The [Alternative Fuels Data Center][afdc] has a [great summary of EV
chargers](https://afdc.energy.gov/fuels/electricity_infrastructure.html#level2).