7362 mpg
 

Didn't quite beat the 10,000+ MPG record but still a huge achievement and credit to the design teams involved in these ingenious cars.

Winning vehicle achieves 7,362mpg at London’s 2016 Shell Eco-marathon - GreenCarGuide.co.uk

An MPG competition sponsored by Shell Gas? That's an oxymoron.

Even oil companies are adapting for the future of energy usage.

Shell has been sponsoring it for years.