From what I recall St Louis City took a stand against idling school busses and an ordinance was created which is linked above. Wouldn't this extend to these vehicles? I had emailed Tower Grove Park with no response. I talked to one of the drivers today and he said they were sub contractors for Ameren.
Please consider the gorgeous Spike Japan Blog. Pachiguy has harvested my breath http://spikejapan.wordpress.com/spike-hokkaido-2/muroran-the-town-that-time-forgot/
Props to Christopher Thiemet for naming the bricks shown below snowflake. If you're a long time reader you may recall I give name to bricks patterns.