
Hydrogen-enabled retrofits, IoT-powered carbon intelligence, and engineered decarbonisation for fleets, DG sets, marine engines and industrial equipment — without replacing existing engines.
Explore results-driven retrofit solutions designed specifically for your industry.
Hydrogen retrofits for trucks and buses to reduce fuel use, lower emissions, and optimise total cost of ownership.
View Fleet Solutions→Hydrogen-diesel hybrid systems for 20-4000 kVA DG sets across manufacturing, buildings, hospitals, and telecom.
View DG Solutions→Retrofits for marine auxiliary engines, tugs, barges and port equipment — verified emission results.
View Marine Solutions→Retrofit any engine and pay a monthly fee lower than the value of fuel saved. Unlocking cash flow from day one.
Explore DaaS Model→Based on real-world telemetry across fleets and DG sets, providing clear ROI.
Validated through stack emission tests on 380 kVA and 1500 kVA DG sets.
CE • UL • ROHS • EMC • ISO 9001. Global standards for trust and reliability.
Industry & Safety Standards
Strategy, engineering and intelligence working together — all in one integrated ecosystem.
Plan & Design: Decarbonisation strategy, engine assessment, and roadmap creation.
Build & Deliver: Engineering and installation of the hydrogen retrofit systems (CapEx or DaaS).
Measure & Verify: IoT/AI platform delivering real-time telemetry, savings and auditable ESG reporting.
The outcome: Proven CO₂ Reduction, Fuel Savings, and Compliance for your business.
**You save diesel. The savings pay for the system.** We remove the financial barrier to decarbonisation.
Explore DaaS →Zero Upfront Cost
Savings-Linked Monthly Fee
Saarthi Handles Installation, Maintenance & Support
Verified Savings via GreenVision Telemetry
Scalable Across Fleets, Sites, and Industries
After three decades of building and scaling global technology organisations, our team chose to solve a harder problem — decarbonising the diesel engines the world already depends on. Saarthi brings together hydrogen engineering, deep operational knowledge, and real-time carbon intelligence to make climate action practical, profitable and immediate.
Read the Founder's Story→