Resources
For those who want to dive deeper, we've compiled curated links that are vetted, credible, and regularly updated. Explore data sources, consumer tools, and educational content to better understand Washington fuel prices.
Key Data
Quick access to the latest Washington fuel pricing data and metrics.
Consumer Calculators
Tools to help you compare fuel prices and calculate costs.
Blog
In-depth articles and analysis to help you understand fuel economics in Washington.
Get the Facts Straight Washington
A critical review of the Climate Commitment Act Investments report reveals inflated emissions claims and data errors that undermine the program's credibility.
A Beginner's Guide to Washington Fuel Economics
New to understanding fuel prices? This comprehensive guide breaks down everything you need to know about how fuel pricing works in Washington state, from crude oil costs to retail margins.
The Real Cost of Carbon Programs in Washington
An objective analysis of Washington's cap-and-trade and low carbon fuel standard programs, examining their costs, benefits, and long-term implications for consumers.
How Gas Station Margins Actually Work
Many assume gas stations make huge profits on fuel sales. The reality is quite different. Learn about the thin margins and business model behind your local gas station.
Latest News
Stay informed with the latest updates on fuel prices, policy changes, and market trends.
Another increase in the state's CO2 tax. Another failure by Ecology staff to understand the market.
Canada is cutting its carbon tax. The Seattle Chamber of Commerce says it won't cut gas prices.
U.S. natural gas storage capacity increased slightly in 2025
Underground working natural gas storage capacity in the Lower 48 states increased slightly in 2025, according to our latest data, with growth concentrated in the South Central and Mountain regions. Underground natural gas storage provides a source of energy when demand increases, balancing U.S. energy needs. We calculate natural gas storage capacity in two ways: demonstrated peak capacity and working gas design capacity. Both increased in 2025.
California natural gas prices reach historic lows in early 2026
Monthly average natural gas spot prices in California reached record lows in the first five months of 2026, dropping to values last recorded in the nationwide low-price market of 2024. Record lows were recorded in Northern California's PG&E Citygate and Southern California's SoCal Border Average; SoCal Citygate prices fell to near-record lows but remained higher than some 2024 prices. Several factors contribute to California's low prices, including above-average inventories and decreasing in-state demand for natural gas-fired electricity.
API Announces 47th Edition of Foundational Line Pipe Standard
API announced the 47th edition of API Specification 5L, updating requirements for steel line pipe manufacturing to support safe, reliable energy infrastructure.
API Applauds PHMSA Proposal to Modernize Breakout Tank Inspection Requirements
API welcomed PHMSA's proposed rule updating breakout tank inspection requirements, supporting risk-based inspections that enhance safety and reliability.
Videos
Watch educational content about Washington fuel prices and related topics.
Industry & Policy Resources
Explore trusted sources for fuel market data, policy information, and industry analysis.
Energy Marketers of America
National trade association for fuel marketers
American Petroleum Institute
Leading oil and natural gas trade association
Western States Petroleum Association
Regional petroleum industry trade association
U.S. Energy Information Administration (EIA)
Official U.S. government energy statistics and analysis
WA Department of Ecology - Fuel Programs
Washington's clean fuel standard and climate programs
Washington Policy Center
Independent research organization focused on WA policy
Let's Go Washington
Citizen initiative organization for Washington state
Note: Fuel market data and reference materials are compiled courtesy of the Washington Oil Marketers Association (WOMA).