Sounds of thundering engines roared around the perimeter of the normally tranquil Discovery Greens at Downtown Houston, Texas. From a far, the scene resembled a Formula 1 race: cars boasted corporate sponsor decals and swung through the turns passing on the inside as they jetted off towards victory. Well, it really wasn’t quite like a Formula 1 race, but for the Chemical Engineers on the scene the Shell Eco-marathon was far more exciting.