Investigaton into Contaminated Fuel in Colorado

Berger Montague, a leading national plaintiffs’ law firm, is investigating reports of gas stations that received gasoline tainted with diesel. This tainted gasoline can significantly damage vehicle engines. The Colorado Department of Labor and Employment has a list of affected gas stations here.

If your vehicle was damaged by the contaminated fuel, we want to hear from you. Please complete the form on this page, email us at info@bergermontague.com or call us at 1-800-424-6690.

This map shows the known affected gas stations:

There is no cost to you for an initial consultation. We will represent you on a contingent basis. This means we only get paid if you win.

Read more here:

• Colo. Drivers Claim $5M Damage From Gas-Diesel Mix-Up, Law360 (January 28, 2026). Read more here.
• Contaminated Gas Fiasco Impacts Hundreds of Motorists in Colorado, The Denver Gazette (January 15, 2026). Read more here.
• Several Denver-area Gas Stations Pumped Contaminated Fuel This Week, The Denver Post (January 14, 2026). Read more here.
• List of Gas Stations with Contaminated Fuel Released: Here’s What Customers Should Do, Fox 31 (January 14, 2026). Read more here.
• Mechanics in Colorado Busy After Customers Buy Contaminated Fuel, CBS News (January 13, 2026). read more here.
• HF Sinclair Sold Contaminated Fuel to Denver Filling Stations, Bloomberg (January 12, 2026). Read more here.
• Over 400 Consumers File Compaints Over Contaminated Fuel at Denver-area Gas Stations, The Denver Post (January 12,2026). Read more here.
• Colorado Man Who Unknowingly Bought Tainted Gas Calls on Oil Companies to Reimburse Hundreds of Those Impacted (January 10, 2026). Read more here.
• Likely More Than 13 Denver Metro Gas Stations Received Contaminated Fuel as Over 200 Consumers Report Issues, Denver 7 ABC (January 10, 2026). Read more here.

Berger Montague is one of the nation’s preeminent law firms focusing on complex civil litigation, class actions, and mass torts in federal and state courts throughout the United States. With more than $2.4 billion in 2025 post-trial judgments alone, the Firm is a leader in the fields of complex litigation, antitrust, consumer protection, defective products, environmental law, employment law, securities, and whistleblower cases, among many other practice areas. For over 55 years, Berger Montague has played leading roles in precedent-setting cases and has recovered over $50 billion for its clients and the classes they have represented. Berger Montague is headquartered in Philadelphia and has offices in Chicago; Malvern, PA; Minneapolis; San Diego; San Francisco; Toronto, Canada; Washington, D.C., and Wilmington, DE.