You may have recently noticed some random references to JFDI. Maybe it was in a tweet or a sticker on the back of a cell phone. The initials stand for Just F*cking Do It. It isn’t a new movement or an acronym from a New York Times Best Seller. It represents an attitude, a mindset and — most importantly — an unwavering willingness to act.

Like an oil derrick with arms, the school-bus-yellow robot is the center of attraction in an otherwise colorless room dominated by metal castings and concrete floors. Moving like a mime on a street corner, the robot picks up a metal casting, holds it to a computer-run camera and then places the part and the fixture that holds it on a machine for tooling.

Steve Ayers makes no bones about his vocal hope that several local contractors will be involved in the highly anticipated design and construction of a sports and entertainment facility in downtown Sacramento. And while he’s known as a humble person whose industry acumen, political clout and philanthropic activities stay largely under the radar, Ayers wants to be a prominent part of the project he believes will launch a downtown renaissance.

A broken leg used to be a death sentence for a horse. Now, the University of California veterinary teaching hospital in Davis is using stem cells to help the horses heal quickly.

Back in 1985, Margaret Wong saw potential in China’s booming economy and took her Sacramento-based lighting company, McWong International Inc., overseas.

I’m no Pollyanna when it comes to assessing our state’s problems, but I must admit I am weary of hearing endless complaints about California’s terrible business environment, its slow economic growth and its many disadvantages compared to states like Texas.

Congratulations Sacramento. You finally got the economic recovery you’ve been asking for. 

It’s not as big or fast as you had wished for, but give it time. It should get stronger as we move toward 2014.

An influx of green manufacturing companies and a burgeoning renewable-energy sector is creating the critical mass Solano County needs to usher in a new era of competitive economic growth.

Beutler Air Conditioning and Plumbing may be a poster-business for the rise and fall — and re-birth — of Sacramento’s economy. Rick Wylie, president of Beutler, says the 65-year-old Sacramento company was probably saved by its diversification, partially into green energy models.