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Bicycle tires have no steel belts and do have higher rolling resistance when cold.
So why would it not have that effect on car tires? As it seems to fit with the roll test observations?
I can add mine. Car tires cool off quicker than the engine and bearings. So leaving the car park in a workday evening after dinner in the cold, car still warm, sees bad free rolling in neutral, engine killed. Leaving in summer with a cold engine etc. got me rolling much further.
Same tires, 1985 Honda Civic, testing done in 2001, but no less true today.
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