Google, Chevron Build Mirrors in Desert to Beat Coal With Solar

The headline is upbeat — Google, Chevron Build Mirrors in Desert to Beat Coal With Solar — but here's an important bit of solar-thermal reality that intrudes:

Development slowed when Congress eliminated tax credits for alternative energy in the early 1990s. Laws put in place in 2005 give solar investors a 30 percent tax credit.

Lots of things start to look good with "subsidy goggles" on.