Engineering That Transforms Existing Engines
GreenLabs is the engineering and innovation pillar of Saarthi. It designs, develops, tests and manufactures hydrogen retrofit systems that deliver measurable improvements in fuel efficiency and emissions — without replacing the engine.
From R&D and certifications to installation, commissioning and field support, GreenLabs ensures every system meets global standards and delivers long-term performance.
What GreenLabs Delivers
1. Retrofit Hardware Engineering
GreenLabs designs hydrogen-diesel hybrid retrofit systems tailored to engine type, duty cycle, and application.
Includes:
- Modular hydrogen generation units
- On-demand H-Oxy electrolyser systems
- Injection manifolds & venturi assemblies
- Electronic control systems (ECU/Fuel Enhancer)
- Safety sensors & shutoff mechanisms
- Load- and duty-cycle-based variable infusion control
2. Manufacturing & Quality Assurance
GreenLabs ensures every retrofit system is built and validated to global engineering standards.
Certifications:
3. Delivery Models: CapEx + DaaS
Both delivery models are supported by GreenMentor advisory and measured through GreenVision telemetry.
A. CapEx Purchase (Own the System)
- • One-time purchase
- • Full installation & commissioning
- • Warranty support & GreenVision integration
B. DaaS - Decarbonisation-as-a-Service
- • Zero CapEx. Guaranteed savings.
- • Monthly fee lower than fuel saved
- • Saarthi handles installation, maintenance & spares
- • Ideal for large fleets & multi-site DG operations
4. Installation, Commissioning & Technical Support
GreenLabs manages the technical deployment of every retrofit system to ensure seamless integration into your existing operations.
Includes:
- Pre-installation engine inspection
- On-site installation & wiring
- Calibration & tuning
- Safety compliance verification
- Field engineering support
- Replacement of consumables
- Warranty service & performance audits
Retrofit Systems for Every Diesel Application
GreenDrive™ — Fleets & Heavy Equipment
Hydrogen retrofit systems for trucks, buses, commercial vehicles, and **heavy off-highway equipment** like excavators and dumpers. Improves km/l, reduces emissions, and enhances engine life across diverse duty cycles.
View Fleet & Mining Retrofit
GreenX™ — DG Sets & Industrial Power
Hydrogen-diesel hybrid kits for 20-4000 kVA DG sets. Validated emission and fuel savings across high-load industrial scenarios. Ideal for stationary power generation.
View DG Retrofit
GreenMarine™ — Ports & Marine Engines
Retrofit-ready systems for auxiliary engines, tugs and port equipment. Engineered to replicate the load profiles and demanding duty cycles of marine environments.
View Marine RetrofitEngineering at the Heart of Saarthi’s Decarbonisation Loop
GreenLabs transforms GreenMentor’s strategy into real hardware and delivers it with world-class technical execution. GreenVision then verifies the results through independent data.
GreenMentor
(Plan & Assess)
GreenLabs
(Engineer & Deliver)
GreenVision
(Measure & Verify)
Certified Engineering. Real Savings. Proven Results.
Built to Global Standards
CE Mark
Conformité Européenne (European Conformity) for health, safety, and environmental protection standards.
UL Certification
Underwriters Laboratories standard for product safety and quality.
ROHS Compliance
Restriction of Hazardous Substances directive compliance.
EMC Certified
Electromagnetic Compatibility ensures safe operation around other electronics.
ISO 9001
International standard for Quality Management Systems.
Patent Filings
Patents filed in India & Australia protecting our core H-Oxy electrolyser and control technology.
GreenLabs products adhere to global electrical, mechanical and environmental safety standards required for industrial, marine and commercial deployment.
Ready to Retrofit Your Engines with Hydrogen?
Choose CapEx or DaaS. Both options are backed by GreenMentor advisory and GreenVision verification.