NGV Motori Global Inc.

Dual-fuel power for demanding operations

Natural-gas substitution for industrial diesel generator sets, evaluated for reliability, fuel economics and operational requirements.

Industrial generators and critical power

NGV’s development work considers dual-fuel conversions for stationary engines used in industrial facilities and data-center infrastructure. A sound proposal must evaluate load profile, generator controls, gas pressure and quality, emergency diesel-only operation and site permitting.

NGV Motori project reference photograph

The economic case

The potential business case comes from substituting lower-cost natural gas for part of the diesel consumed. Savings depend on local energy prices, utilization, achievable substitution, conversion cost and maintenance. Illustrative ROI calculations are not guaranteed outcomes.

Critical-power engineering priorities

Operational resilience

Diesel-only fallback

Design and test strategies for continued operation if gas supply is interrupted.

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Engine protection

Control and monitoring

Gas control, engine protection, combustion management and monitoring integrated with the base engine.

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Site-specific ROI

Transparent fuel model

Calculate displacement, savings and payback from verified duty cycles and local fuel costs.

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Technical depth & experience

Dual-fuel engineering for critical power

How the DDF system operates

The original diesel engine remains the primary power source and ignition system. A controlled gas train introduces natural gas under suitable operating conditions. Engine protection logic reduces or stops gas flow when monitored limits are exceeded, allowing diesel-only operation where the specific installation has been validated.

Controls, safety and integration

Project design considers gas pressure and conditioning, regulators and shutoff valves, flow metering, engine load and speed signals, knock and exhaust-temperature monitoring, ECU calibration, alarm logic, emergency shutdown and site-level safety interlocks. Remote diagnostics and performance logging may be integrated.

Generator and data-center applications

For standby or prime-power generator sets, the commercial case must reflect actual annual operating hours, test schedules, fuel reliability, redundancy requirements and local air permits. Data-center emergency generators often run relatively few hours, so attractive fuel-price spreads do not automatically translate into fast payback.

Documented engineering examples

NGV materials describe DDF work involving Hyundai 740 kW, Perkins 3012, Cummins high-horsepower platforms and multi-megawatt installations. One documented Hyundai example reports approximately 35.7% average gas substitution at steady RPM; a separate multi-megawatt case reports approximately 45%. These are project-specific historical test results, not guaranteed performance.

Feasibility and economic assessment

We model baseline diesel consumption, expected substitution by load band, gas supply cost and availability, conversion capital cost, maintenance, testing, emissions requirements and downtime. Any projected savings or emissions improvements are clearly labeled as estimates pending site-specific verification.