diesel locomotives are left to run 24/7.

I have a block heater and use it occasionally, but it is inconvenient at times and not possible at times. Remote start has its pros and cons. I wouldn't use it daily. Probably use it more for the function of being able to remove keys from ignition to run in the house to grab something while the engine is still running.

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81 300SD daily driver/project
86 420SEL (sold)
85 380SE(in the graveyard)