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Core Technology

Rentar Fuel Catalyst

A passive in-line fuel catalyst installed upstream of the engine. Conditions fuel at the molecular level to improve combustion efficiency. Protected by 33 international patents.

Fuel conditioning at the molecular level

The Rentar Fuel Catalyst is a passive in-line device installed in the fuel line upstream of the engine. As fuel passes through the catalyst, it is conditioned at the molecular level to improve atomization and combustion efficiency.

Better atomization means more complete combustion. More complete combustion means more energy extracted from every drop of fuel, less unburned fuel exiting the exhaust, and lower emissions per unit of work performed.

No moving parts. No electronics. No maintenance.

The Rentar Fuel Catalyst is engineered for the world's harshest operating environments. It contains no moving parts, requires no electrical power, and needs no ongoing maintenance. Once installed, it operates continuously for the life of the engine.

This simplicity is by design. Mining operations in remote locations, marine vessels at sea, agricultural equipment running harvest shifts, oilfield equipment in extreme conditions: these environments demand technology that doesn't break, doesn't need service calls, and doesn't introduce new failure modes.

Protected by 33 international patents

The Rentar Fuel Catalyst is supported by an international portfolio of patents covering the technology and its commercial application. Rentar's intellectual property includes:

  • International patent portfolio
  • Proprietary catalyst formulation
  • Manufacturing processes
  • Commercial licensing rights
  • Application engineering
  • Product branding and trademarks
  • Technical documentation and deployment methodologies

This intellectual property has been developed through more than twenty years of commercial deployment across mining, marine, transportation, agriculture, power generation, and industrial operations.

Over one million compatible engine configurations

The Rentar Fuel Catalyst is compatible with over one million engine configurations across diesel, biodiesel, and heavy fuel oil applications. It installs in the fuel line upstream of the engine and does not require engine modification, ECU reprogramming, or operational changes.

Compatible with all major engine manufacturers including Caterpillar, Cummins, MTU, MAN, Wärtsilä, Volvo Penta, John Deere, Komatsu, and others.

Ready to learn more?

Our engineering team can evaluate your specific equipment, fuel types, and operating conditions to model expected savings.

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