Revealiency™Open the App
Two harbor tugboats at a working dock under a clear sky
The fuel you cannot see

Your engines are burning more fuel than they should. Nothing on the dash will tell you.

A diesel engine drifts out of tune long before it breaks, and it throws no fault code while it does. The truck still runs. The operator notices nothing. The fuel bill just gets bigger, one hour at a time, across every unit in the yard.

See what your fleet is wastingHow it works
$255,049,693
Identified opportunity, gross, not realized
and counting
Over 3,000
Diagnostic tests analyzed
32,165
EPA engine records
1,752,623,952 lb
CO2 tied to identified fuel
and counting
Emissions-based maintenance™, defined

EBM™ reads diesel exhaust chemistry as a direct measure of combustion efficiency, compares each engine against its EPA-certified baseline, and converts the gap into a specific repair. No fault code required, no new hardware on the truck.

What is EBM™?

The fault code does not know anything is wrong.

Across every engine we have published, zero OEM fault codes were present at the time of testing. The engines were running. They were also wasting fuel.

Exhaust stacks
Read the exhaust
Exhaust chemistry is a direct measure of combustion efficiency.
AI diagnostics
Find the gap
Each engine against its EPA-certified baseline. The gap is the waste.
Repair in the shop
Repair and verify
A specific repair, verified by the next test. The full method
Emissions-Based Maintenance™ Methodology

The Diagnostic & Repair Flywheel

Every verified repair feeds the next test. The loop keeps turning for as long as the engine runs.

123456EBM™
1
Test submitted
A manual probe reading or a telematic feed enters the platform.
2
Skinner™ diagnostic report
Skinner™ reads the exhaust and explains what the engine needs.
3
Planner opens a work order or passes
The planner turns each finding into work, or passes it.
4
Assign to a technician
Work orders route to the right technician to act on.
5
Repair completed
The technician completes the repair following OEM service guidelines.
6
Verification on the next test
The next test confirms the fix, then the loop repeats.
Class 7/8 truck
On-highway
Mining haul truck
Mining
Locomotive
Rail
Marine diesel
Marine
Oil and gas
Oil & Gas
The calculator

Your fleet's savings opportunity.

Select your fleet values to enter
Engine class
Units
Gallons / mo
$/gal
6.7L to 9L, Class 7 on-highway
EIA retail, on-highway
10L to 15L, Class 8 on-highway
EIA retail, on-highway
Mixed commercial and industrial
net off-road, excise removed
Heavy off-road and mining, 50L+
net off-road, excise removed
Prices are current EIA-based defaults. Override with your own.
0 units · 0 gal/yr · $0/yr
Fleet details, for the specialist
Telematics-enabled?
Engines under service contract?
Engine class and duty cycle qualify your fleet for the specialist. The dollar range is always 5% and 7% of fuel spend.
Identified fuel savings potential
Add your numbers to see it
Enter units and fuel for any class to see what the 5 to 7% target band is worth on your own fleet.
Identified opportunity, gross, not realized. 5 to 7% is a target band, never an average, never a guarantee.
Based on 3,000+ diagnostic tests analyzed on the platform.
The full breakdown
Where should we send it?
Your personalized summary, plus a diesel specialist to confirm the real number on your own engines.
The platform

EBM™, the daily tool for the shop.

Profile, recommendation, repair workflow, verification. Built for heavy-fleet maintenance teams at all skill levels.

Open the EBM™ platform
The difference

Every fleet runs one of these two ways.

Nothing about this is theoretical. It is the maintenance logic your shop already runs on, and the one gap in it that never gets checked.

Your fleet today
No fault code
Nothing to investigate
The engine keeps running, off target, burning extra fuel every hour
The waste shows up on the fuel invoice, never in the shop
A fault code
Out of service
Diagnose, repair, return to service
You only ever act after something breaks
Your fleet with EBM™
No fault code
Combustion verified against the engine's own certified target
Drift caught and corrected while the unit stays in service
Fuel waste identified, priced, and ranked for the planner
A fault code
Same repair, better informed
Combustion confirmed after the work, not assumed
Every engine in the fleet verified, not just the ones that failed.
See what it found on real fleets
See what your fleet is wastingLet us help, connect
Revealiency™ = Reveal Efficiency | Data-driven | Science-Based | Efficiency Revealed
Revealiency™, EBM™, and Emissions-Based Maintenance™ are trademarks of Emissions-Based Maintenance LLC.
© 2026 Emissions-Based Maintenance LLC, d/b/a Revealiency. All rights reserved.