The OptiFuel Story
Who We Are
OptiFuel Systems is a solution provider designing and manufacturing zero emission products and services in the hard-to-abate transportation and industrial markets, specifically in rail, marine and power generation.
OptiFuel works as a systems integrator with strategic partners to engineer innovative technology that is low-risk, modular, and has flexible fuel options consisting of affordable renewable natural gas (RNG) and hydrogen fuels. Products include switcher and line haul freight locomotives, RNG and hydrogen tenders, stationary and mobile refueling systems, and mobile and stationary standby and emergency generators.
Services include sales, leasing, long-term maintenance, and refueling services. Customers are expected to achieve heightened reliability, reduced lifetime maintenance costs, minimized downtime, optimized horsepower, and an impressive up to 40% enhancement in fuel economy. OptiFuel’s Total-Zero™ Diesel-RNG Dual Fuel Locomotives are EPA certified as zero NOx and PM emissions and have achieved FRA concurrence.
The Markets We Serve
Learn more about what we’re doing to accelerate the pace to Total-Zero™ emissions in the hard-to-abate transportation and industrial markets.

Rail

Power Generation

Semi-Trucks

Marine

RNG Fuel Supply

Refueling Solutions
Latest News
Billions in Class I Railroad Savings, Hiding in Plain Sight
BEAUFORT, S.C. - The six U.S. Class I railroads burned 3.08 billion gallons of diesel in 2025 at a delivered cost of $7.58 billion, according to Schedule 750 R-1 filings....
Optimal Transit Unveils Second Configuration of the Kraaken™ Data Center: A Ship That Can Power 32,000 Homes, Produce Clean Water for 150,000 People, and Host 60 MW of AI Compute – With No Fuel and No Emissions
Optimal Transit, the maritime technology partnership of InMar Technologies and OptiFuel Systems, today announced the Blue Economy VITAL 100 MW Kraaken™ – a second configuration of its Kraaken™ platform that redirects a portion of the vessel’s total power capacity away from data center operations and toward direct utility service: baseload electricity and fresh water, exported continuously to shore.
Progressive Railroading – Rail Battery and Power Source Technology 2026
Click here to read the full Progressive Railroading articleOptiFuel’s modular 1.8 MWh traction battery module features quick-disconnect functionality for rapid...


