Welcome to the  California Energy Almanac

Overview of Transportation Energy

Page updated: 1/21/2016

classic woody station wagon in Santa Barbara with USS Reagan in background from iStockPhoto- iStock_000000859661XSmall

Transportation accounts for a major portion of California's energy budget and has a significant impact on air quality. It is also the single largest source of the state's greenhouse gas emissions. Since 1975, the California Energy Commission has promoted a secure, affordable, reliable, and environmentally sound transportation energy infrastructure by ensuring that the supply, production, distribution, and price of petroleum fuels and other blending components are available to meet demand; and viable alternative, low-carbon, and renewable fuel options exist, and private sector interest is leveraged to build and expand refinery capacity and infrastructure to accommodate greater imports, distribution, and fuel supply storage. The links below provide historical transportation fuels statistics. The Fuels and Transportation section provides current data and information on the programs and projects administered at the Energy Commission.

Data, Facts, & Statistics on Vehicles and Transportation Fuels in California


Historical Data, Fact, & Statistics
Vehicles (As of 12/31/2007)

  • Total registered vehicles in California: 33,539,486
  • Total registered motor vehicles in California: 30,902,225
  • Total registered automobiles in California: 22,283,340
  • Total registered trucks in California: 7,805,754
  • Total registered trailers in California: 2,637,261
  • Total registered motorcycles in California: 789,192

Source: Calif. Department of Motor Vehicles, Forecasting Unit, March 2008



Fuel Use 2007

  • Taxable Gasoline Sales (Includes Aviation Gasoline): 15,672,334,029 gallons
  • Decrease from previous year: 153 million gallons
  • Taxable Aviation Gasoline Sales: 27,801,567 gallons
  • Taxable Diesel Fuel: 3,075,583,325 gallons
  • Taxable Jet Fuel: 149,799,540 gallons

Source: California Board of Equalization, Special Taxes Department Fuel Taxes Division, June 2008


Travel 2006

  • Total Roadway Travel: 329.8 billion miles
  • State Highway Travel: 185.0 billion miles
  • Local Roadway Travel: 144.8 billion miles
  • Interstate Highway Travel: 88.8 billion miles

  • Average Commute Time: 26.8 minutes
  • Commute by Car Along: 72.9 %
  • Commute by Car / Vanpool: 12.4%
  • Commute by Public Transit: 4.9%
  • Commute by Bicycle and Walking: 4.8%

  • Intercity Rail (AMTRAK): 2.67 million passengers
  • Bus: 955.2 million passengers
  • Rail, Street Car, Trolley: 377.8 million passengers

Source: CalTrans, Division of Transportation System Information, Data Integration and Reporting Branch, June 2008. Note: 2006 is latest year available on line.


Highways and Roads 2006

  • State Highways: 15,243 miles
  • Other Public Roads: 155,056 miles
  • Total All Public Roads: 170,297 miles
  • Number of Bridges: 24,853

Source: CalTrans, Division of Transportation System Information, Data Integration and Reporting Branch, June 2008. Note: 2006 is latest year available on line.


Service Stations in California

  • Number of retail gasoline/service stations: Approximately 9,700
  • Statewide average amount of fuel dispensed by each station per day: 4,400 gallons
  • Make-up of the California retail fuel market:
    • 10% of retailers are refiner-owned and operated (O & O).
    • 46% are major leased dealers.
    • 26% are branded independents.
    • 18% are un-branded independents.