I've been riding my bike to work for the past few weeks. It is such a joy, especially when I don't have to park my car a quarter mile away from my workplace. I also get free covered parking in the secure parking structure.
I've finally learned how to "tuck in" while riding. I usually do this while ripping up the slight to moderate hills. This seems to help maintain my speeds. Since I'm curious about how this improves my speed, I'm gonna install a SECOND speedometer. This will allow me to monitor speed, when I'm in a "tucked in" position.