October 22, 2015 12:57 PM EDT
E very two years, driving teams from around the world meet in Australia for a grueling, 1,877 mile race straight through the heart of the country’s most oppressive terrain. The twist? Each vehicle is powered entirely by solar energy.
This is the premise of the World Solar Challenge, won this year by a team from the Netherlands’ Delft University. In the gallery above, see the unique cars and drivers who raced in this year’s event.
The Belgian Punch Powertrain Solar Team near Glendambo as the team races on Day 4 of the 2015 World Solar Challenge on Oct. 21, 2015. 45 Solar cars from 25 different countries participated in the 3,000 km race from Darwin to Adelaide, Australia Geert Vanden Wijngaert—AFP/Getty Images The University of Michigan Solar Car Team car competes during the fourth day of the 2015 World Solar Challenge in Coober Pedy, Australia, on Oct. 21, 2015. Geert Vanden Wijngaert—AP Punch Powertrain Solar Team shows team members posing above their cars after the qualification lap at Hidden Valley race track in Darwin on Oct. 18, 2015. Geert Vanden Wijngaert—AFP/Getty Images The Massachusetts Institute of Technology Solar Electric Vehicle Team car competes during the qualification lap on Oct. 17, 2015. Geert Vanden Wijngaert—AP The SunSPEC car from Singapore competes during the qualification lap on Oct. 17, 2015. Geert Vanden Wijngaert—AP Solar Team Eindhoven's Stella Lux during track testing on Oct. 15, 2015. Brendon Thorne—The World Solar/EPA Chris Ahearn is shaded with an Australian flag as he prepares to drive Arrow1-GT from Clenergy TeamArrow Australia in the challenger class track testing on Oct. 17, 2015. Mark Kolbe—Getty Images for The World Solar Tokai Challenger of Tokai University Japan entering the control stop at Coober Pedy on Day Four, Oct. 21, 2015. Mark Kolbe—Getty Images for The World Solar Crew members of the Belgian Punch Powertrain Solar Team standing as the car batteries are charged at Coober Pedy on Oct. 21, 2015. Geert Vanden Wijngaert—AFP/Getty Images Members from Tokai Challenger of Tokai University Japan catch the last of the sun to charge at the end of racing in the Challenger Class on Oct. 20, 2015 outside of Coober Pedy, Australia. Mark Kolbe—Getty Images for The World Solar A member from Red One of Solar Team Twente Netherlands rests as he speaks on the phone at the end of racing in the Challenger Class on Oct. 20, 2015. Mark Kolbe—Getty Images for The World Solar The Belgian Punch Powertrain Solar Team car on Oct. 20, 2015. Geert Vanden Wijngaert—AFP/Getty Images Members of the Stanford Solar Car Project team approach the finish line at Victoria Square, Adelaide, Australia on Oct. 22, 2015. Morne de Klerk—Getty Images for World Solar Cha Car of the Dutch team Nuon Solar Team crosses the finish line to win the 2015 World Solar Challenge, in Adelaide on Oct. 22, 2015. Brenton Edwards—AFP/Getty Images Members of the Stanford Solar Car Project team celebrate after finishing the race at Victoria Square in Adelaide, Australia on Oct. 22, 2015. Morne de Klerk—Getty Images for World Solar Cha Dutch university Delft's Nuon Solar Team celebrates their victory on Oct. 22, 2015. Hollandse Hoogte—Corbis More Must-Reads from TIME Donald Trump Is TIME's 2024 Person of the Year Why We Chose Trump as Person of the Year Is Intermittent Fasting Good or Bad for You? The 100 Must-Read Books of 2024 The 20 Best Christmas TV Episodes Column: If Optimism Feels Ridiculous Now, Try Hope The Future of Climate Action Is Trade Policy Merle Bombardieri Is Helping People Make the Baby Decision