Electrically heated glass pane
Energy saving circulating system for vehicle heaters
Engine cooling system
Engine cooling water circulation system
Engine cooling-passenger heating system
Engine pre-heater system
Exhaust gas heat system utilizing a heat pipe
Exhaust gas muffler for an internal combustion engine
Exhaust heat trap and redirecting system
Exhaust heated trailer
Extended engine off passenger climate control system and method
Externally accessible climate control system for passenger...