The Tuwaiq Escarpment, a Jurassic-era cliff rising 300m from the Saudi Arabian desert, formed a striking backdrop as eight hydrogen-powered race cars lined up at Qiddiya City for the first-ever Grand Final of the FIA Extreme H World Cup over the weekend. 
The geological phenomenon towered over a fleeting display of human innovation - vehicles engineered to race with hydrogen fuel cells, a ...Keep reading

Source: Another step towards the future: Saudi Arabia hosts world’s first hydrogen racing event