FuelPerformance.News | 6th Edition

💡 Why Ethanol Matters in Your Fuel

Ethanol is a common additive in modern gasoline, blended to reduce emissions and extend fuel supplies. While it offers environmental benefits, it can also pose serious challenges for engines, fuel storage, and long-term performance if not properly managed.

⚠️ The Hidden Downsides of Ethanol Blends

Most gasoline sold today contains up to 10% ethanol (E10), but higher blends like E15 and E85 are becoming more common. Here's what you need to know:

• Moisture Magnet: Ethanol attracts water. In storage tanks, this can lead to phase separation—where water and ethanol sink to the bottom, creating a corrosive, engine-damaging layer.

• Fuel Shelf Life Drops: Ethanol-blended fuel tends to degrade faster than pure gasoline. That can mean stale fuel, poor engine performance, and difficulty starting equipment.

• Corrosion Risk: Ethanol can be harsh on rubber seals, plastic parts, and metal fuel system components—especially in older engines not built for alcohol-based fuels.

• Lower Energy Content: Ethanol has less energy per gallon than gasoline, which can reduce fuel economy in some engines.

🛠️ Tips to Mitigate Ethanol-Related Issues

Whether you're storing fuel for backup generators, operating a fleet, or maintaining seasonal equipment, these practices can help:

• Rotate Stored Fuel: Don’t let ethanol-blended gasoline sit too long—ideally, use within 90 days unless stabilized.

• Use Stabilizers: Ethanol-compatible stabilizers can extend fuel life and reduce water absorption.

• Seal Your Tanks: Limit exposure to air and moisture by ensuring fuel containers are tightly closed and stored in cool, dry places.

• Regular Testing: Periodic fuel quality tests can catch water contamination and ethanol breakdown early.

🔍 Know Your Blend

Understanding what blend you're using (E10, E15, E85) and whether your equipment is designed for it can save you thousands in maintenance costs. Check fuel labels and equipment manuals carefully.

⛽ Final Thought

Ethanol isn't going away; it’s a key part of our fuel future. But with the right knowledge and maintenance approach, its downsides can be managed. Stay informed, stay prepared.

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