At the end of the episode, the Fringe team hotwires a vehicle. It is either the same or an identical station wagon that Peter and Walter drove in Seasons 1-3. It is a 1970 Vista Cruiser.
The glyphs for this episode spell out: ANGER
Walter, wearing goggles, is working on the mining suit. That hand held gizmo with the purple 'flame' and sparks looks to be a plasma cutter, a device using a high current electrical arc to generate an extremely hot plasma jet which can easily cut through the hardest steel.