What's holding back energy innovation?

Wall Street Journal ^ | March 26, 2012 | Dean Kamen, Elon Musk and J. Craig Venter

[Cincinatus' Wife]

......“MR. MUSK: The ideal thing to do would be to tax CO2. But taxes are difficult to implement. So, we’re doing an indirect thing, which is to subsidize electric cars to some degree, and other sort of renewables.”

[MrB]

So many beat me to my snarky “physics and reality” answer to the headline’s question...