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In this system, the pumps which move milk from the

tanks at the farm into the tanker truck are electrically

driven by 48 V motors. The power is provided by two

Mastervolt MLI 24/5000 Lithium Ion batteries, which

are in turn charged by a 48 V generator (electric

motor) mounted on the moving vehicle, as well as

by solar panels fitted on the tanker. The generator

transforms braking energy produced by the vehicle

into electricity.

Conventional milk pumps are driven by hydraulic

engines on the vehicle’s PTO, which makes

the system hugely inefficient and means the

engine requires far more maintenance due to

contamination. This hybrid system now saves

about 30 % in fuel consumption, reduces engine

maintenance costs by some 15-20 %, and in

practice hugely decreases the cleaning costs

linked to soot in the engine.

An example is the hybrid system solution shown above, which we developed in cooperation with

FrieslandCampina. To achieve the emission targets that Campina set for itself, it developed a hybrid

version of a milk truck in partnership with Van der Mierden transport, De Burgh Acht, ID-Technology

and Mastervolt.