Powered by Thorium Fuel reactor. A good idea for car? This concept call Cadillac World Thorium Fuel Concept for the 100th anniversary of Cadillac, created by designer Loren Kulesus. This concept features create to last 100 years without maintenance and without gas. "This vehicle is designed to last 100 years without a fuel-up. The surplus power generated from its Thorium reactor can be used to give back to the grid, power a neighborhood, or recharge other electric battery-equipped devices. Designed with safety in mind, the reactor has multiple scuttle devices to poison the sub-critical reaction in case of extreme abuse, and the reactor's exterior is designed to withstand all unauthorized or accidental tampering."