Koenigsegg is celebrating its 20th birthday this year, and for the occasion, the Swedish specialists are taking the hypercar to the next level with its new Agera One:1 at the 2014 Geneva Motor Show.

Despite noise restrictions and a busy track, the Koenigsegg One:1 managed to whittle its own lap record at the Spa-Francorchamps circuit down by another second. Koenigsegg has set a new lap record ...