model of lorry under test in water tank
Media playback is unsupported on your device
Video

Using water to improve lorry designs

Lorry drivers clock up around 16 billion miles in Britain every year, so anything that saves even a little fuel could have a big effect on delivery costs and on the amount of pollution they kick out.

Experts at Cambridge University's Centre for Sustainable Road Freight have developed a new trailer design that makes the lorry more aerodynamic - cutting fuel consumption and pollution by around 7%.

The BBC's Transport correspondent Richard Westcott went to the lab at Cambridge to see how they came up with their new shape.

  • 04 Feb 2016
Go to next video: Testing humans in driverless cars