Classic false equivalence. Mature airplane engine technology based on alternative energy really doesn't exsit at the moment, while the same cannot be said for r

Classic false equivalence. Mature airplane engine technology based on alternative energy really doesn't exsit at the moment, while the same cannot be said for residential energy. The existence of the a fossil fuel based car market provided an impetus for electric car and battery technology to develop. Similarly, practical alternative energy flight will likely develop faster if there is a market for small, innovative aircrafts.