Austrian Felix Baumgartner became the first skydiver to go faster than the speed of sound.

BBC: Your highlights of 2012 in drawings

If tests go as planned, it will be the first plane ever to fly faster than the speed of sound on a fuel mix that is half biomass.

WHITEHOUSE: Energy Security and Independence

Just last week, our Air Force -- our own Air Force -- used an advanced biofuel blend to fly a Raptor 22 -- an F-22 Raptor faster than the speed of sound.

WHITEHOUSE: America��s Energy Security