Alga Engineering Solutions LLP
Greentech Fuel Saver — Exclusive Distributor for India

Alga Engineering Solutions LLP

Alga Engineering Solutions LLP is the exclusive Greentech Fuel Saver distributor for India, based in Tamil Nadu.

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Authorised Greentech distributor Patented device, fitted once Independently road-tested Updated October 2026
Multiple countries Patents granted in the US, Taiwan, Vietnam, China and South Africa, plus a registered EU design
US 11,713,737 B1 United States patent, granted August 2023 — a public, checkable file
Fitted once No refill, no dosing, no subscription. One purchase per vehicle
Who we are

About Alga Engineering Solutions LLP

Alga Engineering Solutions LLP is the exclusive Greentech Fuel Saver distributor for India, based in Tamil Nadu. We supply, fit and support Greentech fuel enhancers for commercial fleets, buses, generator sets and industrial equipment, and we work with TVS, the dealer group that has sold and serviced Ashok Leyland since that manufacturer was founded.

We do not ask operators to take fuel savings on trust. We fit the device, record the fuel and odometer data the fleet already keeps, and hand the numbers back.

Between 2025 and 2026, four trucks across two Tamil Nadu fleets ran 219,793 km on the Greentech D51. Every vehicle improved — between 6.8% and 7.7%, averaging 7.2%. The full case study is published, including the note that the vehicles were operated by their owners and not controlled by us during the trial.

TVS Mobility ran the device on two of their own service vehicles from July 2021 to May 2024. Their signed report records 4.66 → 5.12 km/L on one and 4.44 → 5.10 km/L on the other — 10% and 15% — with the monthly fuel and odometer figures for all 35 months attached.

If fuel is a line on your monthly accounts, the sensible next step is a fleet evaluation on your own vehicles, measured against your own records.

Case studies

PDF · opens in a new tab
Tata Hitachi ZAXIS 220LC excavator on D51 (2026) Tata Hitachi ZAXIS 220LC excavator on D51 (2026) Open PDF
Verified in the field

7% better mileage, proven over 219,793 km of real fleet operation

Two independent Tamil Nadu fleets — PS Blue Metals (aggregate tippers) and Mumbai Carriers (long-haul) — fitted the Greentech Fuel Saving Device to four heavy commercial vehicles. Baseline mileage came from each fleet's own fuel-filling and odometer registers, then every litre and kilometre was tracked month by month for up to 13 months. No route, load or driver changes were made.

Field case study · Tipper and long-haul fleets, Tamil Nadu, India · Sep 2025 – Aug 2026

+7.2% Average mileage improvement across all four vehicles
4,724L Diesel saved during the monitored period
₹4.69Lakh Fuel cost avoided at the fleets' own diesel price
2.4–3.1months To recover the cost of the device

Verified results — four vehicles, two fleets · mileage in km per litre

FleetVehiclePeriodKm runBeforeAfterGainDiesel saved (L)Value saved (₹)
PS Blue Metals TN11 BU 8080 9 months 63,086 2.73 2.94 +7.7% 1,622.7 1,62,275
PS Blue Metals TN22 EE 8080 81 days 24,713 2.93 3.15 +7.5% 578.5 54,379
Mumbai Carriers TN39 CU 5748 65 days 25,097 3.69 3.94 +6.8% 434.4 43,435
Mumbai Carriers TN39 DA 2869 13 months 106,897 3.45 3.70 +7.2% 2,088.0 2,08,797
Total — 4 vehicles 219,793 — — +7.2% avg 4,723.6 4,68,886

Before vs. after — mileage per vehicle (km per litre)

TN11 BU 8080
2.73
2.94
TN22 EE 8080
2.93
3.15
TN39 CU 5748
3.69
3.94
TN39 DA 2869
3.45
3.70
Before installation (baseline) After installation

Typical payback

2.4–3.1months

Savings of ₹16,000–20,400 per truck per month against a one-time device cost.

  • TN39 DA 2869 held 3.70 kmpl across 13 months and 106,897 km — the gain does not fade.
  • Every vehicle improved between +6.8% and +7.7% — a repeatable result, not a one-off.
  • Approx. 12.7 tonnes of CO₂ avoided, which counts towards fleet emission targets.

How these figures were derived — Savings = (km run after installation ÷ baseline kmpl) − actual diesel filled after installation, valued at each fleet's own diesel purchase price (₹94–₹100 per litre). All distance and fuel data are taken from the customers' own trip sheets and fuel-filling records; Moletech and Alga did not control the vehicles during the trial. Individual results vary with vehicle condition, load, route and driving pattern. CO₂ figure calculated at 2.68 kg per litre of diesel. Payback is illustrated against the D51 list price of ₹50,000 incl. GST.

Get the numbers for your fleet Truck fleet case study (PDF)
Construction equipment

Excavators: 4.0% less diesel for every engine hour

Ramalingam Construction Company fitted a D51 to its Tata Hitachi ZAXIS 220LC excavator on 7 August 2026. The figures are the company’s own hour-meter and fuel-filling records: seven months and 1,859 engine hours before fitting, against the first 208.8 hours after.

Field record · Tata Hitachi ZAXIS 220LC, 21-tonne class · Jan – Sep 2026

−4.0% Diesel per engine hour, against the machine’s own seven-month record
12.60L/h After fitting, first 208.8 hours — down from 13.13 L/h before
111L Diesel saved in the first 208.8 engine hours
₹11,100 At ₹100 a litre — the operator’s own valuation

The operator’s record · litres of diesel per engine hour

PeriodEngine hoursDiesel filled (L)L per hour
Jan 2026 238 3,259.3 13.69
Feb 2026 291 3,284.9 11.29
Mar 2026 313 4,524.4 14.45
Apr 2026 306 3,931.5 12.85
May 2026 261 3,253.2 12.46
Jun 2026 182 2,659.8 14.61
Jul 2026 268 3,488.7 13.02
Jan–Jul 2026, before fitting 1,859 24,401.8 13.13
After fitting, first 208.8 hours 208.8 2,630 12.60

Diesel per engine hour — lower is better (litres per hour)

Tata Hitachi ZAXIS 220LC
13.13
12.60
Before fitting · seven-month average After fitting · first 208.8 hours

What was fitted

D51

One Fuel Enhancer and one Air Refiner, rated for tanks up to 500 litres — the ZAXIS 220LC carries 400 L.

  • The enhancer goes into the fuel tank and stays there
  • The Air Refiner sits at the air intake
  • No engine modification, no maintenance, nothing to refill

Why litres per engine hour

An excavator works in one place, so kilometres per litre tells you nothing. The measure is diesel per engine hour: litres filled, divided by hours on the hour meter. This machine burns about 3,500 litres of diesel a month.

Measured against its own history

The baseline is the full January–July average, not one chosen month: as the work changed, this machine’s monthly figure moved between 11.3 and 14.6 litres an hour. The record continues, and later months will be added here as they close.

How the figures were derived

At the seven-month rate of 13.126 litres an hour, 208.8 hours would have taken 2,741 litres; the machine used 2,630 — 111 litres less. All figures are the owner’s own hour-meter and fuel-filling records, compiled by Alga in its FSD Report Summary of 15 September 2026. Results vary with machine condition, duty and operator.

Get a quote for your machines Excavator case study (PDF)
What we supply

Choose by fuel tank, not by guesswork

Each model is sized to a tank. Tell us the vehicle or the equipment and we will confirm the right one before you order.

D51 — Heavy diesel, with Air Refiner D51

D51 — Heavy diesel, with Air Refiner

Trucks, buses and cranes with tanks up to 500 litres. The model used in the 219,793 km Tamil Nadu fleet study.

  • TankUp to 500 litres
  • Contents1 Fuel Enhancer + 1 Air Refiner
Product page →
D21 — Twin-tank diesel, with Air Refiner D21

D21 — Twin-tank diesel, with Air Refiner

One enhancer for each 100-litre tank. Twin-tank trucks, mining and excavation equipment.

  • Tank2 x 100 L tanks, or one tank up to 200 L
  • Contents2 Fuel Enhancers + 1 Air Refiner
Product page →
D20 — Twin-tank diesel D20

D20 — Twin-tank diesel

Same fit as the D21, without the Air Refiner.

  • Tank2 x 100 L tanks, or one tank up to 200 L
  • Contents2 Fuel Enhancers
Product page →
D11 — Diesel, with Air Refiner D11

D11 — Diesel, with Air Refiner

Pickups, tractors and diesel cars with tanks up to 100 litres.

  • TankUp to 100 litres
  • Contents1 Fuel Enhancer + 1 Air Refiner
Product page →
D10 — Diesel D10

D10 — Diesel

Generator sets, pumps and pickups with tanks up to 100 litres.

  • TankUp to 100 litres
  • Contents1 Fuel Enhancer
Product page →
See it, then hear it

How it works — and what the operators say

Three minutes on why engines waste fuel, then the fleet owners themselves on what changed. Named companies, named vehicles, their own fuel records.

Three minutes on why engines waste fuel, then the fleet owners themselves on what changed. Named companies, named vehicles, their own fuel records.
Govindaraj — Saravana Bus, Dharmapuri
Suresh Kumar — STS Bus
Thillai Natarajan — Siva Siva Transport
Manikandan — Sri Venkateswara Bus
Elanchelian — KRS Bus Service, Salem
TM Eswaramoorthy — Chellam Bus Service, Harur
Vijay Govind Raj — Sri Lakshmi Saraswathy Bus
Fitting the D51 on a Tata Hitachi ZAXIS 220LC excavator — Ramalingam Construction
On site

Installations, fleets and field work

The owner of PS Blue Metals takes delivery
Handover to VKV Travels for their bus fleet
A full batch collected by one operator
Order handed over at the dealer's office
Another order collected at the dealer’s office
Odometer of TN22 EE 8080 — 158,874 km on the road
Instrument cluster reading 79,052 km
D51 on the dealership display
D51 on an excavator — Ramalingam Construction’s Tata Hitachi ZAXIS 220LC
Fitting the D51 at the excavator’s fuel tank
The excavator’s own fuel record — 13.13 L/h before the D51, 12.60 L/h after
In the channel

Where you will find us

Dealer networks, service workshops and trade shows across India — the people who already sell and fit this product every day.

TVS Vehicle Mobility SolutionAppointed sales and service partner for India
On the TVS standThe dealership stand where the device is shown and sold
D51 on the dealership displayAlongside the Zoomlion, Manitou and Doosan equipment brands
TVS Mobility standFleet operators at the Greentech display
Ashok Leyland dealer seminarProduct briefing for dealer and service staff
Dealer training sessionFitting and product training for workshop technicians
Handover at Mahindra Truck and BusOrder handed over at the dealer's office
Mahindra Truck and Bus eventFleet customer event
Sakthi Diesel Service customer meetDiesel service network event, Tamil Nadu
ITPS dealer event
Trade show standFleet operators and workshop owners at the booth
TVS One's own campaign creativeProduced and published by TVS One in India — their artwork, their pricing
Where to buy

Local sales and service

Appointed partners who quote, fit and support the product in your area. You can contact them directly, or use the form below.

TVS Personal Mobility Solution Pvt Ltd

Sales and service partner - India

Appointed by Alga Engineering Solutions LLP. Their team provides model selection advice, technical assistance, purchasing support and after-sales service for both fleet and individual customers.

Next step

Two ways to start

Some people come here because they burn the fuel. Others come because they want to supply or fit the device in their own area. Tell us which you are and the form will ask the right questions.

  1. You tell us which you areThe vehicles or burners you run, or the area you want to cover.
  2. We come back with the specificsModel fit and pricing, or territory and terms.
  3. You order and fitThe device goes in the tank. No engine modification, no downtime.

Alga Engineering Solutions LLP is the authorised distributor for India. If you are outside India, apply through the global distributor programme instead.

Your details go to Alga Engineering Solutions LLP only. No newsletter, no resale.

Talk to us

Contact

The wider network

Made in Kaohsiung, Taiwan by Moletech International Technology Ltd. We are one of its authorised distributors.

Manufacturer · Taiwan Moletech International Technology Ltd. Maker of the Greentech Fuel Saver — patented in multiple countries, including US 11,713,737 B1 Visit the manufacturer → Vietnam Greentech Green Environment JSC Greentech Fuel Saver — Exclusive Distributor for Vietnam View distributor → India Niveda Green Greentech Industrial Gas Saving Modules — Authorised Distributor for India View distributor → the Middle East SDB Trading FZ-LLC Greentech Fuel Saver — Authorised Distributor for the Middle East View distributor → Ethiopia TBK Trading PLC Greentech Fuel Saver — Authorised Distributor for Ethiopia View distributor →
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