Gasoline category compete on day four of Make the Future Live 2018 at the Queen Elizabeth Olympic Park on Sunday, July 8, 2018, in London.

Indonesian winners crowned in race for energy efficiency

In searing temperatures, a team from Indonesia wins the Drivers' World Championship Grand Final in London. The competition marks the climax of the 2018 Shell Eco-marathon season.

A student team from Indonesia won the Grand Final of the Shell Eco-marathon Drivers' World Championship. ITS Team 2 from Surabaya, Indonesia, fought off competition from teams around the world.

The team, from the Institut Teknologi Sepuluh Nopember, won by being first to cross the finish line after 10 laps of a 0.9km (0.59 mile) track in an internal-combustion engine car. It makes them the second Indonesian team to win the Drivers' World Championship in the three years since the competition was first introduced to the programme.

Shell Eco-marathon Drivers' World Championship Grand Final saw winners from regional competitions in Asia, the Americas and Europe compete in a head-to-head race to find the most energy-efficient vehicle.

It took place on July 8, which was then the UK's hottest day of 2018.

The Shell Eco-marathon Drivers’ World Championship Grand Final was won by ITS Team 2 from Surabaya, Indonesia

The Shell Eco-marathon Drivers’ World Championship Grand Final was won by ITS Team 2 from Surabaya, Indonesia

ITS Team 2, from Institut Teknologi Sepuluh Nopember, Indonesia, won the competition with their UrbanConcept car

ITS Team 2, from Institut Teknologi Sepuluh Nopember, Indonesia, won the competition with their UrbanConcept car

Teams could also compete in the Prototype vehicle category where drivers squeeze into aerodynamic vehicles, typically lying on their backs to steer

In the Prototype category drivers squeeze into aerodynamic vehicles, typically lying on their backs to steer