You may not know this, but the market has already accepted single-engine jet aircraft.

FORBES: Dawn of the Single-Engine Jet

All three single turboprops have superb safety records, a sure sign that single-engine jet aircraft can be successful.

FORBES: Magazine Article

Cirrus is considering a single-engine jet aircraft to compete with single turboprops from New Piper and EADS Socata.

FORBES: Small-Jet Market Heats Up

Jet engine and other aircraft orders rose 11% and the energy infrastructure business posted a 9% increase over the same period a year ago.

FORBES: Planes, Trains, Pipes And Loans: GE's Diversified Portfolio Delivers

The big aircraft-engine makers are exploring new ideas for jet engines.

ECONOMIST: A new way to build a greener jet engine

In jet aircraft, purifying cabin air would save on fuel needed to compress fresh air bled from the engine to ventilate the cabin.

FORBES: Companies & Strategies

On most jet aircraft, hot air from the engines is routed through piping in the wings, tail and engine openings to heat their surfaces and prevent icing.

CNN: Airplane deicing: The how and why

This aircraft, which has been called the most important aviation development since the invention of the jet engine, has the ability to take off and land like a helicopter yet fly horizontally at speeds far in excess of those possible for helicopters.

CENTERFORSECURITYPOLICY: Skinner Misses Cheap Fix To Air Transport Crisis