Ion Engines are the most exciting new rocket propulsion system since the Chinese invented the rocket about a thousand years ago.
Most rocket engines use chemical reactions for power. They combine various gases and liquids to form chemical explosions which push the rocket through space...
Whatever "moral highground" you have wont stand a chance. The United States has this way of convincing everyone else they are right , no matter what. Wait and watch how they justify every dirty trick they start pulling.....At least they will be able to convince their own people..