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.
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A look ahead at a lively start to the weekend
2,000 children from more than 100 primary schools flocked to Sandhaven at South Shields for the annual Sandcastle Challenge.
Sunderland is set to welcome the world famous Tall Ships race in July 2018. Now, it has been given the honour of starting the race.