The world needs a new source of energy, an unspillable source.

Major Clint Abell holds an ion sensor for a diesel engine

A few nice ION ENGINE images I found:

Major Clint Abell holds an ion sensor for a diesel engine
ION ENGINE
Image by Argonne National Laboratory

Air Force Fellows Clint Abell and Jeff Gillen work on Smarter Diesel Engine (SDE) 21
ION ENGINE
Image by Argonne National Laboratory