The CI Co-Op is the new provide of fuel for a number of States departments.
The new deal was agreed in December 2023.
The States say it will 'offer better value for money and more flexible locations for filling up.'
Currently it applies to vehicles run by Guernsey Water, Health and Social Care and Education's Pupil Transport Service.
Previously, these departments had used a locally run garage.
It's unclear whether the agreement covers States Works, which operates a large and diverse fleet.
First Michelin star awarded in Guernsey in more than a decade
Vraic at Chouet has been awarded a Michelin star, just seven months after opening.
Guernsey Fire & Rescue Service needs "investment and modernisation"
An independent report is calling for major investment and modernisation in Guernsey's Fire and Rescue Service.
Engine room fire onboard DFDS freight ship
A fire has broken out in the engine room of the Caesarea Trader freight ship en route from Jersey to Portsmouth.
Gannets return to Alderney
The rocks north of Alderney have once again welcomed their most iconic summer residents, the northern gannets.
Burglaries at Guernsey pharmacy and garage
Guernsey Police are currently investigating two separate burglaries which occurred on the same morning.
Kids fly free between Guernsey and Jersey this half-term
Guernsey's airline is waiving the fare for young travellers between 14 and 23 February.
Guernsey Water to take over cesspit collections from States Works
Guernsey's cesspit-emptying operation is due to be taken over entirely by Guernsey Water.
Guernsey Literary Festival to host most events ever
More than 10,000 islanders are expected to take part in the Guernsey Literary Festival this spring.
