The site is located at green-car-guide.com.
In addition to the usual suggestions of driving in the correct gear and warnings that 4×4 are not the most fuel efficient, a 17-page report on the site also advises motorists to keep an eye on their tyre pressure and condition.
Interestingly, the report also promotes the use of so-called eco tyres, such as the ContiEcoContact and the Michelin Energy products.