Solar Energy

The Solar Energy kiosk was seen at the National Energy Convention run by Hans Moleman before it's take over.

History
At the National Energy Convention, Hans Moleman is running a kiosk promoting solar energy. A goon than asks him if it works, Hans replies in the affirmative. The goon than strikes Hans, knocking him out. The curtains close and it opens up again with a "Fossil Fuels" sign replacing the Solar Energy.

Trivia

 * One of the goons is Lowblow, Charles Montgomery Burns' goon seen in earlier episodes.