Engineering for more efficient combustion.
AY BIO MODÜL by AY DRIVE ECO is a compact unit fitted into an engine's fuel line, between the fuel filter and the fuel pump, intended to improve combustion efficiency in fleet and industrial engines.
Temporary imageTemporary image: a unit fitted in a marine generator's fuel line, from field footage. A studio photograph of the production unit will replace it.
The product in brief
Fits in the fuel line
Installed between the fuel filter and the fuel pump, in the marked flow direction.
No electrical connection
According to the manufacturer, the unit draws no power from the battery or alternator.
Assessed per engine
We review each engine and fuel system before any supply or trial.
Field installation
Installed on a marine diesel generator
Footage from a ship's engine room in 2026 shows a unit fitted in the fuel line of a 55 kW generator. It documents an installation; it is not a product photograph.
Evidence
Laboratory test results
One Euro 6 light commercial vehicle, WLTC cycle on a chassis dynamometer, measured before fitting and after 11,500 km with the unit.
As cited in the developer's summary report; the original laboratory report has not been published. Results from one vehicle do not predict results for other vehicles.
Conditions and limitations →Find out more
Product and technology
What the unit is, where it sits in the fuel system, and which statements are documented.
Open →Applications
Fleets first, then marine, generators and industry, each with its evidence status.
Open →Testing and documentation
Results with sources, conditions, units and limitations.
Open →Running a vehicle or generator fleet?
Tell us about your engines and duty cycle. We will assess whether a trial makes sense.