They are hired to fix power problems rising underground or at the poles and towers. (bestsampleresume.com)
The problem with designs like the air car is that you must first fix the power generation issue. (dotearth.blogs.nytimes.com)
If you compare like with like, state of the art with state of the art, fixed power stations are still a lot better (factor of two or more). (wattsupwiththat.com)