Ride a moped? Aside from the massive amounts of pollution they spew - yes, even your 4-stroke modern scooter): it seems an increasing number of you need a refresher in where you're not allowed to operate your scooter or moped in Massachusetts:

Critical Mass bicyclists like to block, or "cork," intersections so all the participants can get through, traffic signals be damned. Chan reports on a similar moped ride yesterday:

... about 30 of us on mopeds swarming through the streets of Boston...blocking intersections, blowing through red lights and pedestrian filled crosswalks...for once, as a mass unit, taking over the streets usually very unfriendly to moped riders (although we have every right to be on the street...just as much as cars, trucks, busses and taxicbs)...