Have my own in truck exercise regimen... You're on your own there. You'll be shocked how hot the diesel fired in cab heater gets!
mdtrucker, the inverter is a no go. Largest you can use is ~400 watts. (One that'll plug into cig. lighter)
Had to join this site after reading the entertaining posts by you guys, glad to hear you're (mostly) doing well. Anyone that said good attitude...