In 2005, Formula Zero began construction of the Mark 2, the world's first fully functional fuel-cell powered go-kart using ultracapacitors for energy storage.
On October 26, 2006, the Mark 2 set an official FIA record of 1/8 of a mile in 11.869 seconds.
The Mark 2 was featured on the Discovery Channel as a part of the FutureCar television series.
[1][2] The 2008 Formula Zero Championship was the world's first hydrogen fuel cell race series.
In March 2011, the Formula Zero Championship project was shut down with no further events planned.