As regular readers of GO know, the world of green technology is moving forward at a blinding pace. Every week (shoot, sometimes every day) brings many exciting stories about breakthroughs and developments, ranging from more efficient ways to light your home to next-generation renewable energy solutions that can power whole communities. It's both challenging and exhilarating to try to keep up with the latest news.

Of course, those of us who aren't designers, engineers or scientists likely come up with questions (perhaps many of them) about these developments. Why does a CFL use less electricity to produce light? Which is the best long-term solution for personal transportation: hydrogen or batteries? And, just how do solar panels turn sunlight into electricity? You're certainly not alone if you're asking these questions…

In order to give you a place to ask about green tech, we've partnered with EcoGeek.org to create "Ask the EcoGeek," a weekly column that will answer some of these questions. Each week, Head EcoGeek Hank Green will choose a question submitted by a reader from Green Options, EcoGeek.org, or another participating site to answer in the column.

Got a question that you think might be appropriate for Hank? Just use the submission form we've created to ask it. Hank's working on his first column (already got some questions from EcoGeek readers)… look for it regularly on Thursdays.