Whoa! Does 4 of those look energy efficient to ya?

MTU just put out this picture for a trade show coming up in early May. This is the same type of engine that the Alakai and Huakai each run on. Actually they each run on 4 of these engines. Does that look like it could be energy efficient at moving anything other than heavy equipment compared to moving it in a cargo jet? Click on image to enlarge.