TV motoring expert Quentin Willson entered Guinness Book of Work Records on the Shell Global FuelSave Day by taking the world's biggest fuel-economy class.

Quentin Willson's fuel-economy class involved hundreds of people in the UK along with thousands in nine other countries in Europe and Asia.

Willson told motorist that motorists in the UK waste 1,800 miles worth of petrol in finding car parking spaces, right turns and avoiding roundabouts.

He advised drivers how to save £300 to £500 a year in fuel expenses by making simple changes to their driving behavior along with using Shell FuelSave regular fuels.

Well-known TV presenter Konnie Huq was present at the UK event, which was organized at Potters Fields Park near Tower Bridge in London.

The fuel saving lesson was certified by Guinness Book of World Records.

Speaking on the topic, Guinness World Records adjudicator Amarilis Whitty said, "Now more than ever, it's a hugely important topic for families and motorists across the world I can now confirm that 204 people in the UK were present and attentive for the full 30 minute lesson on fuel saving."

Whitty added that the event organized by Shell was one of the most informative events he had witnessed.