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Re:Tesla owner drives 452 miles on single charge by dclowd9901 on Wednesday August 26, 2015 @03:18AM (#10121566)
Depends how new it is and the car. Older cars still fueled the engine either way. Newer ones cut the fuel themselves, as you intimated.
Re:Tesla owner drives 452 miles on single charge by dzhiurgis on Wednesday August 26, 2015 @05:49AM (#10121982)
I think the rule of thumb is that carburetor engines have simplified idle mechanism.

So realistically anything younger than 30 years is more fuel efficient. Also safer.