Data

Energy intensity of transport per passenger-kilometer

About this data

Source
Bureau of Transportation Statistics (2020)processed by Our World in Data
Last updated
September 11, 2020
Date range
1960–2018
Unit
kilowatt-hours per passenger kilometer

Sources and processing

Bureau of Transportation Statistics – Energy intensity of passenger modes

Energy intensity of transport is measured by the US Bureau of Transport Statistics (BTS) in btu per passenger-mile. We have converted this data to kilowatt-hours per passenger-kilometer using the following conversion factors: – BTU to kWH = 0.000293071 – mile to km = 1.60934

The US BTS notes the following about transport categories: "Data from 2007 were calculated using a new methodology developed by FHWA. Data for these years are based on new categories and are not comparable to previous years. The new category [Small passenger vehicles] replaces the old category Passenger car and includes passenger cars, light trucks, vans and sport utility vehicles with a wheelbase (WB) equal to or less than 121 inches. The new category [Large road vehicles] replaces Other 2-axle, 4-tire vehicle and includes large passenger cars, vans, pickup trucks, and sport/utility vehicles with wheelbases (WB) larger than 121 inches. This edition of 4-20 is not comparable to those before the 2019 edition."

Retrieved on
September 11, 2020
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
United States Department of Transportation, Bureau of Transportation Statistics (BTS).

Energy intensity of transport is measured by the US Bureau of Transport Statistics (BTS) in btu per passenger-mile. We have converted this data to kilowatt-hours per passenger-kilometer using the following conversion factors: – BTU to kWH = 0.000293071 – mile to km = 1.60934

The US BTS notes the following about transport categories: "Data from 2007 were calculated using a new methodology developed by FHWA. Data for these years are based on new categories and are not comparable to previous years. The new category [Small passenger vehicles] replaces the old category Passenger car and includes passenger cars, light trucks, vans and sport utility vehicles with a wheelbase (WB) equal to or less than 121 inches. The new category [Large road vehicles] replaces Other 2-axle, 4-tire vehicle and includes large passenger cars, vans, pickup trucks, and sport/utility vehicles with wheelbases (WB) larger than 121 inches. This edition of 4-20 is not comparable to those before the 2019 edition."

Retrieved on
September 11, 2020
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
United States Department of Transportation, Bureau of Transportation Statistics (BTS).

All data and visualizations on Our World in Data rely on data sourced from one or several original data providers. Preparing this original data involves several processing steps. Depending on the data, this can include standardizing country names and world region definitions, converting units, calculating derived indicators such as per capita measures, as well as adding or adapting metadata such as the name or the description given to an indicator.

At the link below you can find a detailed description of the structure of our data pipeline, including links to all the code used to prepare data across Our World in Data.

Read about our data pipeline

How to cite this page

To cite this page overall, including any descriptions, FAQs or explanations of the data authored by Our World in Data, please use the following citation:

“Data Page: Energy intensity of transport per passenger-kilometer”. Our World in Data (2026). Data adapted from Bureau of Transportation Statistics. Retrieved from https://auto-wildfires.owid.pages.dev:8789/20260511-092124/grapher/energy-intensity-transport.html [online resource] (archived on May 11, 2026).

How to cite this data

In-line citationIf you have limited space (e.g. in data visualizations), you can use this abbreviated in-line citation:

Bureau of Transportation Statistics (2020) – processed by Our World in Data

Full citation

Bureau of Transportation Statistics (2020) – processed by Our World in Data. “Energy intensity of transport per passenger-kilometer” [dataset]. Bureau of Transportation Statistics, “Energy intensity of passenger modes” [original data]. Retrieved May 19, 2026 from https://auto-wildfires.owid.pages.dev:8789/20260511-092124/grapher/energy-intensity-transport.html (archived on May 11, 2026).

Quick download

Download the data shown in this chart as a ZIP file containing a CSV file, metadata in JSON format, and a README. The CSV file can be opened in Excel, Google Sheets, and other data analysis tools.

Data API

Use these URLs to programmatically access this chart's data and configure your requests with the options below. Our documentation provides more information on how to use the API, and you can find a few code examples below.

Data URL (CSV format)
https://auto-wildfires.owid.pages.dev/grapher/energy-intensity-transport.csv?v=1&csvType=full&useColumnShortNames=false
Metadata URL (JSON format)
https://auto-wildfires.owid.pages.dev/grapher/energy-intensity-transport.metadata.json?v=1&csvType=full&useColumnShortNames=false

Code examples

Examples of how to load this data into different data analysis tools.

Excel / Google Sheets
=IMPORTDATA("https://auto-wildfires.owid.pages.dev/grapher/energy-intensity-transport.csv?v=1&csvType=full&useColumnShortNames=false")
Python with Pandas
import pandas as pd
import requests

# Fetch the data.
df = pd.read_csv("https://auto-wildfires.owid.pages.dev/grapher/energy-intensity-transport.csv?v=1&csvType=full&useColumnShortNames=false", storage_options = {'User-Agent': 'Our World In Data data fetch/1.0'})

# Fetch the metadata
metadata = requests.get("https://auto-wildfires.owid.pages.dev/grapher/energy-intensity-transport.metadata.json?v=1&csvType=full&useColumnShortNames=false").json()
R
library(jsonlite)

# Fetch the data
df <- read.csv("https://auto-wildfires.owid.pages.dev/grapher/energy-intensity-transport.csv?v=1&csvType=full&useColumnShortNames=false")

# Fetch the metadata
metadata <- fromJSON("https://auto-wildfires.owid.pages.dev/grapher/energy-intensity-transport.metadata.json?v=1&csvType=full&useColumnShortNames=false")
Stata
import delimited "https://auto-wildfires.owid.pages.dev/grapher/energy-intensity-transport.csv?v=1&csvType=full&useColumnShortNames=false", encoding("utf-8") clear