Hybrid hydraulic bus

it'll never fly. anything offering significant improvements in fuel economy will never be /allowed/ to fly.

talking of flying, that's why we still don't have direct flight paths here in the continental u.s. indirect flight paths and stacking before landing uses up to 15% more fuel. [and keeps your ticket prices higher]. our friends at the f.a.a. are not susceptible to pressure from our political "leadership" and thereby, oilco lobbying money. no sir.