The chairman of the Office of Fair Trading says petrol's not as expensive as people think it is compared to UK prices.
In Tynwald this week, he faced questions from Onchan MHK Rob Callister about why fuel is so much more expensive on the Island.
Martyn Perkins said the OFT publishes price comparisons on its website every month tracking the cost at the pump.
And he said the difference wasn't between 6p and 10p a litre as Mr Callister claimed:
What consideration's being given to getting rid of tax discs?
Can people on benefits still get support if they're treated privately?
Manx student speaks in House of Commons
Below average rainfall in October despite unsettled weather
What's the government doing to encourage people to buy Manx produce?
Debate over MiCards to continue in Keys next week
More changes to sailings due to terminal work
Wedding dress exhibition this weekend