Data-driven · science-based · efficiency revealed
Your fleet is keeping secrets. We uncover them for you.
Emissions-based maintenance (EBM) is Revealiency's method for reading diesel exhaust chemistry as a signal of combustion efficiency, comparing each engine against its EPA-certified baseline, and converting the gap into a specific repair. It surfaces wasted fuel that throws no OEM fault code, across mixed heavy-diesel fleets.
Revealiency = Reveal + Efficiency
Revealiency developed patented technology that autonomously creates emissions profiles from raw engine exhaust and analyzes that exhaust to produce straightforward observations and maintenance recommendations that mechanics can make following OEM service guidelines. The Emissions-Based Maintenance™ (EBM™) methodology was developed from decades of hands-on expertise by diesel engine technicians.
EBM™ is the fusion of old-school diesel engine diagnostics with modern AI-enabled technology to ensure engines operate as the OEM engineered them to operate. Revealiency's AI-powered EBM diagnostic platform leverages over 40 years of expert diesel engine technician experience into a robust platform that allows fleet managers to identify maintenance issues before catastrophic failure, scope and schedule repairs, and validate them independently.
Evidence base
- $255,049,693
- Savings Identified in USD
- 3,058
- In-Field Diagnostic Tests
- 32,165
- Engines Baselined
- 1,752,623,952
- Pounds of CO₂ Savings Identified
The fuel you cannot see
What is your fleet wasting?
Put in your fleet size and annual fuel, and see the savings potential at our 5-7% target band.
The platform
EBM - Engine Diagnostics Platform
The daily-use tool that generates an engine emissions profile and recommends maintenance procedures, drives the repair workflow, and verifies the recovery. Built for heavy-fleet maintenance teams at all skill levels.
The research
Starboard Research - Where the technology begins
US and International Patents (granted and filed), white papers, peer-reviewed research filings, and federal and state research program participation. The evidence program behind the method.
The record
How does emissions-based maintenance perform in the field?
Results that speak for themselves
We typically exceed our fuel savings target of 5-7%.
Top-impact recordVerified pilot recovery on a commodity mine
244-ton MT4400 AC haul trucks. 0 OEM fault codes present. Identified repairs up to 16% above the engine-approved target. 80% of vehicles returned to operations with minimal or no repairs.
Identified opportunity across a working fleet
0 OEM fault codes present. Identified across 14 units.
Eight years, seventy-six vehicles, the record that started it
0 OEM fault codes present. 1,300+ tests. CAT C175 and 3516 platforms, 688 to 3,000+ HP. Methods SAE-filed.
Excess CO₂ identified across a locomotive fleet
0 OEM fault codes present. Across 17 engines, 16 locomotives plus 1 secondary.
Fully telematic ingestion, zero manual probes
0 OEM fault codes present. Zero manual probes required. ISO 8178-aligned baselines.
Common questions
Emissions-based maintenance, answered
- What is emissions-based maintenance?
- Emissions-Based Maintenance is a method that reads a diesel engine's exhaust chemistry as a signal of combustion efficiency, compares it against the engine's own EPA-certified baseline, and quantifies the gap as recoverable fuel. It finds drift and makes repair recommendations before an OEM fault code ever appears, treating wasted fuel as a maintenance problem to solve.
- What does Revealiency do?
- Revealiency is the master brand behind Emissions-Based Maintenance (EBM), a patented method and platform that reads raw diesel exhaust, builds an emissions profile, and analyzes it against a certified baseline to produce plain maintenance recommendations mechanics can follow using OEM service guidelines. It turns hidden fuel waste into specific, verifiable repairs across mixed heavy-diesel fleets.
- Can you find fuel waste with no fault code?
- That is exactly where Emissions-Based Maintenance works. Efficiency drift shows in exhaust chemistry well before an OEM fault code triggers, so an engine can waste fuel while every dashboard light stays dark. EBM identifies that drift and recommends the correction early, before the problem compounds into a fault code or a unit taken out of service.
- How much fuel can a fleet recover?
- Revealiency frames fuel recovery as a conservative 5 to 7% target band, never an average and never guaranteed. Every fleet has different operating conditions and duty cycles, so the real number is confirmed on your actual engines. Across the analyzed portfolio, the method has surfaced $255M in identified opportunity, reported gross, not realized.
- What engines and fleets does it support?
- Emissions-Based Maintenance is OEM-agnostic. Its baselines are calibrated against 24,000+ EPA-certified engine families from 200+ manufacturers, spanning model years 1996 to 2027 across EPA Tier 2 through Tier 4. It is validated across Caterpillar, Cummins, MTU, EMD, and John Deere engines, roughly 150 HP to 3,000+ HP, so it fits the mixed fleet in the yard today.
- Who is behind Revealiency?
- Revealiency is Emissions-Based Maintenance LLC, doing business as Revealiency, founded by Steve ‘Skinner’ Forbush and his son Jer Forbush. Skinner spent four decades diagnosing heavy diesel engines by reading their exhaust; Jer built the platform that scales that judgment into software. The method is protected by patents granted in the United States and India.
- Where do I use the platform?
- The Emissions-Based Maintenance platform runs at ebmpros.com, where maintenance teams submit tests, read a live fleet picture, and drive the repair workflow. Revealiency.com is the authority hub for the science, the research published by Starboard Research, and the field record. Both resolve to one entity behind emissions-based maintenance.