Keppe Motor Keppe Motor - Part 1/3 Keppe Motor - Part 2/3 Keppe Motor - Part 3/3 About Keppe Motor Primary source of energy: scalar or essential energy (from space). Secondary source of energy: battery or electrical current used only to give the initial start. Motor heating: none. Environmental pollution: none. Energy cost to operate: 5-10% of what it costs to operate motors of the same potency..