Let's examine the big issues:
Energy -> Government endlessly impedes companies from drilling off our shores, in Alaska, and on Federal land, government blocks new Nuclear plants, government restricts horizontal fracking, government blocks coal plants including clean burning coal, government blocks building new oil refineries, government has created roughly 30 local gas blends and government wastes billions on inefficient technologies...
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Let me take these one at a time....
1) In terms of negative government mandates Democrats aren't alone. The California blend was mandated by a Republican Congress largely at the behest of Archer Daniels Midland. Would the drilling projects you mentioned be viable without the tax credits given to oil and gas? All types of energy receive government assistance today. If you want the government out of energy why just mention the ones you don't like. Also it is common for new technologies to need a push to generate critical mass for distribution. You should be more concerned with old technologies sucking at the government teat.
2) The government should fund basic research in paradigm shifting techologies. Much of the technology we have today from composites to the Internet comes from government funding.
3) Government has always played a role in infrastructure. The national highway system was government funded and laid the ground work for years of economic expansion. Upgrading our infrastructure to more efficiently generate and distribute electricity is a valid role of government.
4) The tragedy of the commons is real. It is a valid purpose of government to balance protecting the environment with economic matters. Having grown up in the smog of LA and having seen China, I don't think anyone wants to eliminate that balance.