Using a Magnetic Bottle to Create Energy

We might be able to build fusion reactors that kind of do what the sun does, and and gives us energy forever. A single gram of fuel has as much energy as 80 thousand tons of oil. It would be really excellent t woud transform our economy an our way of life. Electricity would be so cheap, it would be almost free. But unfortunately you don't have a sono luminescence fusion reactor powering your electric car right now because nobody could repeat that result.