A vehicle like this takes 355 litres of diesel and uses 22 litres an hour.So the target of 30% more efficiency would make a big difference.
More top news
Police are reminding residents in Newcastle to be vigilant after reports of a suspected bogus caller.
Boyband Busted will head to the North East to perform at an outdoor concert in South Shields.
A new owner is sought for a collection of historic buildings and land in Gateshead.