Will private spaceships have the right stuff? Commercial orbital taxis won't have to retrace NASA's footsteps, MSNBC

"First of all, the space taxis being created to serve the new policy are being designed for an entirely different mission. Unlike America's previous spaceships, these new taxis will be focused only on delivering passengers from Earth's surface to an existing space facility and back again. There's no need for long periods of independent orbital cruising. There's no need for carrying equipment to be later used for moon flights. The plan to reshape the Orion spaceship as a standby rescue vehicle for station crews has profound implications for the requirements of the commercial taxi and its cost. This strategy means the taxis won't have to last for six months "parked" in space, like Russia's Soyuz spaceships. The simplification of the taxi's mission will allow its hardware to be significantly less expensive to build and to validate."