FUEL SYSTEM ADVISORY

Protect your engine from E15

Integrated dashboard featuring real-time E0 station mapping, dynamic vehicle compatibility testing, fuel additives index, and ASE-certified diagnostic support.

E15 Rollout

50states

+8 since 2024

Stations Indexed

12,400nationwide

Pure-Gas.org + NLR

Vehicles At Risk

74M (pre-2012)

EPA est.

Selected Vehicle

INPUT CRITERIA

Advisory

High Risk

E15 Now Available Nationwide — Know Your Risk

Year-round E15 (15% ethanol blend) distribution is authorized. Pre-2012 vehicle fuel systems face accelerated rubber seal degradation, fuel line micro-corrosion, and manufacturer warranty invalidation.

Vehicle Compatibility Check

Enter your vehicle details to check E15 compatibility

Step 1 of 1

Pre-1994

E0 ONLY (Ethanol-Free)

1994–2000

E0 Recommended

2001–2011

E10 Max (Standard Gas)

2012+

E15 Compatible

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Fuel Grade Reference

EPA Pump Standard · AKI (R+M)/2

87 · 89 · 91 · 93
E0 · 0% Ethanol

All vehicles safe

87 · 89 · 91 · 93
E10 · 10% Ethanol

Safe for most vehicles

88
E15 · 15% Ethanol

Pre-2012 at risk

100 · 105
E85 · 51–83% Ethanol

Flex-fuel only

Find Ethanol-Free Stations

Data sourced from Pure-Gas.org and NLR Fuel Registry

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Stations near you

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Protect My Engine

ADDITIVES TO COMBAT ETHANOL SEPARATION AND PHASE CORROSION

TOP UPGRADES

Star Brite

Star Tron Enzyme Fuel Treatment

$12.99
MSRP
★★★★½(18,432 REVIEWS)
Best for Older VehiclesEthanol ProtectionAll EnginesStabilizer

Enzyme formula neutralizes ethanol water absorption and prevents phase separation.

STA-BIL

STA-BIL 360 Protection

$11.49
MSRP
★★★★½(9,421 REVIEWS)
Top RatedCorrosion GuardFuel StabilizerAll Vehicles

360-degree protection against ethanol corrosion on metal, rubber, and plastic.

Lucas Oil

Lucas Oil Fuel Treatment

$8.99
MSRP
★★★★½(22,104 REVIEWS)
Mechanic's ChoiceOlder VehiclesFuel System CleanerLubrication

Cleans and lubricates fuel system components degraded by ethanol.

Sea Foam

Sea Foam SF-16 Motor Treatment

$10.99
MSRP
★★★★½(41,250 REVIEWS)
Most PopularDeep CleanInjector SafeTrusted Since 1942

Removes water, cleans injectors and carbs, re-lubricates upper cylinders.

Verify chemical compatibility with owner manual specifications.

Latest Fuel News

Regulatory updates and ethanol compatibility news

Live
RETAIL FUEL REPORTSJUN 02, 2026

USDA Funding Boosts Higher-Ethanol Retail Infrastructure

New grant allocations prioritize E15 and E85 blender pumps at regional stations. Analysts warn this may phase out remaining dedicated E0 pump lines in rural markets.

Read Bulletin →
VINTAGE COALITIONMAY 18, 2026

Collector Registry Issues Critical Fuel Storage Warning

Organizations urge classic vehicle owners to utilize quality stabilizers or drain carburetors if storing vehicles for more than 30 days with standard E10/E15 fuel.

Read Bulletin →
REGULATORY WATCHAPR 29, 2026

Audits Reveal Inadequate Pump Labeling for Unleaded 88

Consumer advocacy groups call for stricter guidelines as spot checks reveal many stations fail to clearly distinguish E15 (Unleaded 88) from E10 (Regular).

Read Bulletin →
ENGINE PROTECTIONAPR 10, 2026

Fuel Additive Study Confirms Ethanol Neutralization in Older Engines

Independent testing validates enzyme-based treatments as effective barriers against ethanol corrosion in pre-2001 fuel systems.

Read Bulletin →