Older car owners lack clear, reliable, and affordable methods to adapt their vehicles for long-term use with higher ethanol fuel blends.

Workarounds Described

• installing ethanol-resistant fuel lines and seals manually
• upgrading fuel pumps as a DIY project
• cleaning fuel tank regularly with internal coatings
• storing car with a full tank to reduce moisture absorption

Implied Software Gaps

• A personalized digital retrofit guide that recommends specific parts and procedures for each vehicle model
• An automated maintenance scheduler that tracks fuel system health and sends alerts
• A marketplace connecting users with verified ethanol-resistant parts and local installers

EthanolGuard Pro

EthanolGuard Pro is a mobile app and subscription service that provides personalized, step-by-step retrofitting guides for older cars to handle high-ethanol fuels. It uses your car's make, model, and year to generate a prioritized maintenance plan, including compatible parts lists, installation tutorials, and local certified workshops. It also sends reminders for fuel system inspections and treatments, ensuring long-term engine health.

Existing Solutions Mentioned