About Us:


HtreN Fuel Systems AS was established in 2005. At the time it offered LPG propulsion to diesel engines.


Tekstboks: HtreN Fuel Systems AS is a privately owned company,
based in Drammen, Norway.

The owner is Lars Harald Heggen M.E. (100% of the shares).

Lars Harald Heggen, owner.



In 2017 HtreN Fuel Systems AS also started to market Low and Zero emission propulsion systems on the


basis of technology hold by the owner.


For more information on the technologies go to technologies.


For contact information go to contacts.