• Hydrogen assist technology

  • Save up to 36.4% on fuel

  • 20% FST guaranteed saving

  • 5 year system warranty

  • Free trial for HGV's & PSV's

  • Pay while you save

  • Free installation

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20% Guaranteed Fuel Saving


A generator which when installed helps combust normal diesel fuel up to 36% more efficiently. FST also offers a 21 day free trial and a minimum guaranteed saving of 20%.

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By carefully adjusting the calibration parameters within the Engine ECU a typical remap with allow the engine to produce more torque lower in the RPM range enabling higher gears to be selected earlier.

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FST UK continually invests in new fuel saving technologies. From new diesel electric hybrids to hydrogen additive systems that have proven to reduce fuel consumption by up to 36%.




Call us on 01865 682 342

Whether you're a current client with an enquiry or just want some advice, we’re here to help. Call us whenever you need advice.

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  • Reduced diesel consumption of up to 36.4%

  • Minimum guaranteed fuel saving of 20%

  • Lowers engine and DPF maintenance costs

  • 65% + reduction in emissions

  • 19 week average ROI

  • Free, no obligation, 21 day trial

Fuel Saving Software

New Technologies


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Light Commercial

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Between 2009 and today our single ambition has been to prove the concept of using Hydrogen as a deliverer with all carbon based fuels to lower overall consumption and this we have achieved. The end product of our research and development is the FST Hydrogen-Only assist generator, which has been proven to decrease fuel costs by 36.4% on all relevant combustion engines.


FST UK is committed to providing quality Hydrogen-Only systems while serving customers in public transport, haulage, private motorists and marine vehicles. We are devoted to our customer's needs with a quality product. Today's Customers will see an immediate improvement in their vehicle performance; they can purchase with knowledge that FST UK guarantees a first class service for installation, system maintenance and customer service throughout the products. life.


To purchase your first FST Hydrogen-Only assist generator, or if you would like a FREE fleet demonstration, please contact us at FST UK on 01865 682342 and let us know how we can best serve your needs.



Hydrogen Assist Technology