Yolo County is doubly blessed. Within its boundaries lie some of the nation’s richest farmland; the open expanses also make it a prime place to develop solar energy.

When Sacramento-based Aerojet decided to convert part of a superfund site into a solar field, it sought bids from companies across the country. The project, after all, would be big — 35 acres ultimately generating six megawatts of power, making it one of the largest industrial solar projects in the country.

A 2009 report from Pike Research in Boulder, Colo., forecasts the combined biodiesel and ethanol markets will reach $247 billion in sales by 2020, up from just $76 billion in 2010, or about 12 percent annual growth.

It was recently reported by the U.S. Department of Labor that worker productivity was down for the second quarter in a row. This downward trend does not surprise George Grinzewitsch, Jr.

The city of Lincoln has embraced an alternative mode of transportation — the neighborhood electric vehicle — and so has Sacramento Valley Golf Carts, the city’s only sales and service center for golf carts and NEVs.

While institutions of higher learning across the state are reeling from budget cuts, tuition hikes, course reductions and faculty and student unrest, Chancellor Linda Katehi has calmly put together a business plan for expansion and prosperity at UC Davis.

Yuba County’s infrastructure was crumbling and its budget bleeding red ink when officials came up with a catching solution to their energy problems.

The team at Davis-based Gold Standard Diagnostics Inc., which sells disease test kits, automated instruments and regulatory services, noticed an opportunity in the medical laboratory industry to build an instrument that would automate not only the test kits it was offering, but those of other suppliers as well, allowing labs to consolidate to one instrument and improve efficiency, says John Griffiths, chief executive officer.

The market for social gaming in America will reach an estimated $1.25 billion in 2011, and social gaming startups — which didn’t exist three years ago — will account for about $835 million of that total, according to Inside Network Inc., a data collection firm that monitors Facebook, apps and the gaming industry. Sacramento’s own KlickNation Corp., a Facebook-game developer staffed by gaming addicts, techies and three former Marvel Comics artists, is one such small firm with big aspirations.

If a local economy is thriving and healthy, it may have the manufacturing industry to thank. If things aren’t so good, it’s probably because manufacturing jobs are leaving.