[dougmany]

There is the Carbon XPrize but I think they are a year out from announcing winners.

There is a team using Molten Carbonate Electrolysis to create Carbon Nano-tubes in the competition. It sounds like the are not related based on the 2012 starting date in the post. The team lead has been working on this for 30 years.

[SaratogaEnergy]

We weren't ready to apply to the carbon xprize when it was announced. But we're ready to scale quickly with Y Combinator!