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Energy efficiency: Filtering Technology for Combustion Efficiency and Reducing Air Pollution

Energy efficiency: Filtering Technology for Combustion Efficiency and Reducing Air Pollution

EiShin Co., Ltd.

eco-SPRAY [nanoEFX]: Energy Efficient &  
Eco-Friendly Automobile Filter Spray to Increase Mileage and Reduce Emissions

Eco-SPRAY [nanoEFX] is one of the environmentally friendly products manufactured by EiShin Co., Ltd., whose mission is to care for nature, humanity, plants and animals. Like most additives claimed to improve car performance, eco-SPRAY [nanoEFX] cleans the engine. It allows cleaner combustion which translates into improved power and fuel efficiency as well as reduced emissions. The spray can be applied through the air filter from cars powered by gasoline, diesel or LP gas. Since 2012, 300,000 bottles have been distributed in 15 countries including China, Thailand, Canada, USA, UAE, Romania, Korea, Cambodia, Vietnam, Iran, Philippines, Bangladesh, Nepal, Taiwan, and Japan.

Major Features and Advantages

I. Made of 100% Natural Ingredients

eco-SPRAY [nanoEFX] is made of 100% natural ingredients. No hazardous or artificial chemicals are added. It is, therefore, non-toxic and does not leave any damage to cars after use.

II. Easy Application

eco-SPRAY [nanoEFX] is easy to apply. No preparation is required. To apply, simply remove the air filter from air filter box in a car engine compartment and spray a whole bottle (30ml) on the air filter. Leave it for 15 minutes until it is dry before putting it back in the compartment. The use of eco-SPRAY [nanoEFX] is recommended every 5,000-6,000 km.

III. Deep Cleaning

eco-SPRAY [nanoEFX] is extremely effective in deep cleaning car engines. It removes carbon deposits from the carbon combustion chamber, cylinders, pistons, and valves. What is unique about eco-SPRAY [nanoEFX] is that it changes the fundamental chemistry of combustion. It improves how the engine uses its fuel. According to the company's technology department, eco-SPRAY [nanoEFX] works as follows:

  • As the effects of minerals inside the eco-SPRAY [nanoEFX], it breaks up the water molecules in the air entering the engine and produce hydrogen gas and negatively charged ions. The hydrogen gas boosts combustion for improved fuel flow.
  • Also the seaweed ingredients in eco-SPRAY [nanoEFX], which are alginic acid and amino peptide are touched to the water (vapor) in the air while they are passing through the air filter, they will dissociate the hydrogen, and become negatively charged.
  • When more than 2 metal ion charges bond there, the alginic acid produces insoluble gel with the metal inside water and eventually the gel comes out from the muffler.

This mechanism helps the engine to run more smoothly and to idle smoother and quieter.

IV. Reduce Emissions

Incomplete combustion results in harmful gas emissions. With eco-SPRAY [nanoEFX], harmful gas emissions are greatly reduced. A study conducted by the Japan Automobile Transport Technology Association (JATA) demonstrated that eco-SPRAY [nanoEFX] immediately reduces the emissions of carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxide (NOx) by 30.4%, 23.3%, and 15.09%, respectively.

V. Improve Fuel Efficiency

Normally, 95% combustion is considered high. eco-SPRAY [nanoEFX] increases combustion efficiency to 95 to 100%. This contributes to better mileage, meaning less stop at the gas station is required.

eco-SPRAY [nanoEFX] improves car performance by effectively cleaning the engine for better combustion efficiency. It provides more power and mileage. It also saves the environment by reducing harmful emissions.

Technology Data

Conceivable applications

We contribute to save the earth by distributing eco-friendly products. Presently, we have our first product, “eco-SPRAY [nanoEFX],” which improves the combustion efficiency by rendering the incoming air in the automobile engines more combustible by subdividing groups of molecules in the air. The eco-SPRAY [nanoEFX] is applied to car air filters every 5,000-6,000 km to reduce harmful emissions and increase gas mileage, typically from 8-20%, while decreasing air pollution.

Competitive advantage

  1. Made with only natural materials

Our company’s mission is to care for nature, humanity, plants and animals, and we strive to solve environmental problems by delivery of our eco-friendly products. The eco-SPRAY [nanoEFX] is made of 100% natural ingredients with no hazardous or artificial chemicals added. It is also non-toxic and will not cause any side effects to the cars after use.

  1. Improve Fuel Efficiency/Gas Mileage

One bottle of eco-SPRAY [nanoEFX] (30ml) applied to the car air filter every 5,000-6,000 km can improve gas mileage up to 8-20% and reduce fuel consumption accordingly.

  1. Reduce Emissions/Exhaust fumes

Test results show immediate reductions of CO, HC and NOx gases typically ranging from 15-30%

  1. Increase Car Engine Power

Improved engine power up to 5-10% and smoother, quieter engine idling.

  1. Clean Car Engine

Deep cleaning of carbon deposits from car engine for efficient operation.

  1. Easy to use

No preparation is required prior to use. Simply remove the car air filter inside the engine compartment, apply a bottle of eco-SPRAY [nanoEFX] to the air filter, let it dry and re-fit the air filter.


The official test evidence obtained from Japan Automobile Transport Technology Association (JATA).

Technical maturity / Past record of introduction

– Distributed in 15 countries since 2012: China, Thailand, Canada, USA, UAE, Romania, Korea, Cambodia, Vietnam, Iran, Philippines, Bangladesh, Nepal, Taiwan and Japan.

– Cumulative sales of eco-SPRAY [nanoEFX] is 300,000 bottles.

Conceivable risk

The eco-SPRAY [nanoEFX] must be applied in accordance with the manufacturer’s instructions.

Information on patent related to this technology

– Obtained the patent of eco-SPRAY on May 18th, 2018.

– eco-SPRAY [nanoEFX] trademark approved on November 27th, 2012.

Company Data

Name EiShin Co., Ltd.

202 Rivage Shinagawa 4-1-10 Konan, Minato-ku, Tokyo, 108-0075 Japan

Capital JPY 41,700,000
Contact person

Tel.: +81-3-3582-3506
Fax: +81-3-6745-7677
Corporate website:

Number of employees 5 (3 for international operation)
Date of company foundation December 14, 2009
The type of business Eco-friendly Business
Manufacturing and sales of eco-friendly products


Modality of business transaction

EiShin Co., Ltd. would like to first export their products and create a partnership with a local company that can handle sales, but eventually the company would like their local partner to manufacture the products.

Export of product
At the beginning, the company would like to sell the product directly from Japan.


For further information about eco-Spray, please visit the website below.

Contact Person(s)

Ms. Lemi OSANAIE-mail:

*Please mention that you saw UNIDO's website when making the first contact with the company.

Registered Category

  • Energy Technologies : Energy saving and energy storage
  • Environmental Technologies : Pollution Prevention and Control