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.
Temporary traffic lights removed from key St Peter Port route sooner than expected
Temporary traffic lights expected to be in the Charroterie for 19 months have been removed - after just a couple of weeks.
New car for Guernsey's Meals on Wheels fleet
The Lions Club of Guernsey has funded the vehicle, which is already in service.
Major power cut switches off most of Alderney
Alderney Airport, the harbour, St Anne, and the school have all been without electricity.
Perfect evening for Guernsey's 2026 Air Display
Islanders packed St Peter Port and east coast vantage points to watch the modern and veteran aircraft perform.
The Red Arrows pull out of performing over Guernsey
The RAF display team says aircraft availability and engineering resources mean they cannot leave their Lincolnshire base overnight.
Guernsey's Ladies' Pool reopens after pollution incident
Water quality tests 'excellent' at La Vallette Ladies' Pool.
Passengers at Guernsey Airport told to expect some flight disruption
The advice is check in as usual unless your airline tells you otherwise following national flight chaos.
Guernsey flights impacted by UK air traffic control issue
Some flights between Guernsey and the UK today (8 September) have been cancelled or delayed because of an issue with UK air traffic control.
