The Toyota Prius has electric AC, the gasoline engine will only run at idle with the ac when the battery drops below 50 %. The Power Steering is also electric. The same is also true for the Ford Escape hybrid. When you run the air conditioning, the gas engine will run until the a/c is fully charged then it will run off battery power.
The downside of this is that you are deep cycling the batteries and shortening the life.
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