Diesel Fuel Additives for Fleets | Improve Performance & Reduce Downtime
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Keep Your Fleet Moving with Cleaner, More Reliable Fuel.

Lower Maintenance Costs   |   Reduce Downtime   |   Maximize Fleet Efficiency

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Diesel Fuel Additives for Heavy-Duty Fleets

Managing a group of trucks, buses, or a diverse diesel-powered fleet is demanding, and compromised fuel quality and fuel storage systems only make it harder.

Our all-season diesel fuel additive helps keep engines running cleaner and longer, reducing breakdowns, extending maintenance intervals, and saving money across your entire fleet.

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The Hidden Costs of Poor Fuel Quality

Every mile counts. When your diesel fuel isn’t optimized, you face costly problems that negatively impact efficiency and reliability.

Cold flow issues in winter

Injector deposits

Water contamination that generates microbial growth

Excess soot & sludge buildup

Compromised lubricity & premature equipment wear

Failing emissions tests

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Measurable Results, Backed by Science

Our additive isn’t a quick fix, it’s a proven solution designed for modern diesel engines.

By cleaning and protecting the entire fuel system, we help you extend filter life by up to 25,000 miles, reduce maintenance costs, and keep your trucks on the road where they belong.

Improve engine power & responsiveness

Maximize fuel efficiency & mileage

Extend PMI Intervals

Prevent corrosion & water damage

Lower emissions & stay compliant

Reduce costly downtime

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Available for Fleets
of Any Size

2.5-gallon containers

5-gallon pails

55-gallon drums

330-gallon totes

Bulk supply with delivery options

Wholesale pricing available for multi-location fleets and regional distributors.

Our Hands-On Fuel Quality Management

We don’t just sell diesel additives; we partner with fleets to optimize fuel performance through our support team.

Fuel Testing & Monitoring

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Regularly check fuel quality to prevent problems before they happen.

Custom Formulations

a hand in a white rubber glove turns the dial on a metallic stand with a chemstry beaker fixed to it.

Adjust additives to match your fleet’s exact needs and local fuel variations.

Ongoing Support

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A dedicated representative who knows your fleet and your business.

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Real-World Results from Fleet Managers

“We’ve cut downtime by nearly 20% and doubled our filter life since working with AFS. Their testing and custom formula made an immediate difference.”

 — Fleet Manager, Regional Transit Authority

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Request a FREE Fuel Analysis

Boost Fleet Performance, Extend the Life of Your Equipment, and Protect Your Investment

Our strategically located analytical labs will test your fuel to identify potential issues such as contamination, water, microbial growth, or degradation—which can lead to costly downtime, performance and efficiency issues, and regulatory compliance challenges.

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Keep Your Fleet Running Smoothly Year-Round

Your fleet is one of your company’s most valuable assets. By improving the quality of your fuel, you’ll lower costs, extend the life of your equipment, and ensure your fleet is always ready for the road. Buying the lowest-cost fuel doesn't guarantee you have achieved the lowest operating costs. Ask us why.

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