[interpol]

Seems like a pretty novel idea. I thought I read somewhere that they were going to go to some sort of bio-diesel.

Here it is from Wiki [Link]:

Originally Posted by Wikipedia

While there is currently an engine freeze that effectively bans constructors from developing new engines until 2013, there is much speculation on the engine regulations once the freeze is lifted. The FIA and FOM have made statements indicating that both want F1 to be more environmentally friendly and at the same time, be on the front line of future engine development. There is also speculation of a return to turbocharged engines based on comments made by the FIA on finding ways to effectively harness waste heat energy from the cars exhausts.

The FIA could introduce 2.2 litre turbocharged V6 engines running on biodiesel in 2011, restricted to 10,000 rpm and capable of enduring five Grand Prix, to attract generalist automakers with resembling products.[11] This could come along the introduction of traction control, four-wheel drive, power boost devices and identical bodywork to save on aerodynamic competition lacking real-life applications