A lot of that depends on the real details of administration, but the overall evidence from the previous experience in the electric power sector is that regulation is the most important tool to make private money do research. When we regulated sulphur emissions in the U.S. electric power sector, a huge business was created building sulphur scrubbers, and they drove the cost of scrubbers down 50% over about 10 years.
On February 27th, 2007. See this statement in context.