My family has diesels in Norway (German Fords, 1.8L TDI). Latitude approximately Anchorage AK.
The cars have a secondary heat turbine that is used as a engine heater to get the engine to starting temperature in the morning, and to INCREASE the coolant temperature if it is too low.

The cool thing is that this turbine has its own timer so you basically have a mobile block heater with you at all times...

Joke #404 - Not Found...

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Text editors

SlickEdit is probably the best GUI text editor I've used.
And it runs on Linux....

If not accessible (cause it is not free nor cheap), I use vim.