Filgorn Gabbertate is credited with the invention of the Parralax Duplicity Drive, or PDD. The PDD drive runs entirely on the brainwaves generated when one lies. Its invention came about when Gabbertate, a card carrying member of the Most Definitely Beneolent Order of Pathological Liars, grew tired of being told to “take his lies elsewhere” and decided to go ahead and do just that.
Though ungainly in size, horribly inefficient and leaves systems it passes though in a wake of discord, hardship and ill will, it is the engine of choice for many politicians throughout the galaxy.