Report by Owen
Then there's the Doovari. They power their starships on the sex energy of their incredibly potent crew. That's correct - they've invented sex drive.
It's tempting to make jokes, but they're so damned happy. They've been so busy making love, they never got around to making war.
This, naturally, would have made Wilhelm Reich happy. The psychoanalyst believed that sex energy was part of the universal organic energy, that he called the Orgone. He thought that spacecraft were shag powered. Poor bloke used to hang around fields at night, looking for lust-fuelled UFOs whizzing by.