"Once we survive that, it's just a steady threat of radiation, meteorite impacts, and vehicle system failure like fire or ammonia breakthrough, " he posted.

BBC: Astronaut answers Reddit site questions from space

What is the difference between success and failure, and what legislative vehicle is he looking for?

WHITEHOUSE: Press Briefing

In an apparent effort to thwart banking regulators, a Lichtenstein investment vehicle has sued the bank on the eve of its failure.

FORBES: David Lichtenstein's Bank Failure

In England, Scotland and Wales, patients with angina, valvular heart disease, a heart murmur or heart failure do not have to tell the Driver and Vehicle Licensing Agency (DVLA) and can continue to drive a car a month after an episode as long as their doctor says they are fit to.

BBC: Car seat with heart monitor could prove a life-saver

The director of the National Ethanol Vehicle Coalition, Phil Lampert, calls the program a success and a failure.

NPR: 'Flex-Fuel' Concept Fails to Deliver on Potential