[n_ermosh]

Yes, lowering all operating expenses by moving to more efficient engines and greener propulsion systems is on our roadmap as "the next problem"

[Onavo]

Do you plan to increase your plane's range by the way? The current range is lower than most Skyhawks and DA-40s.

Also you should offer radio altimeters and ring laser gyros as an upgrade.

[nullindividual]

Will those that purchase your highly polluting engine get a free on-the-house upgrade to this nebulous green future that likely won't happen?

How are you planning to offset the enormous amount of pollution you want to create in the mean time? Are you purchasing carbon credits? Planting trees?