I have always wondered how gasoline cars fair long-term with substantial idling. I have noticed some people idle their cars for at least 20-30 minutes (assuming every day...as I pick up my son 2 days a week) while they wait to pick up their children from school. Even when on the hot side, I put my sun shade up and roll down my windows...I refuse to idle my car for that long. Over time, does excessive idling cause any additional strain on certain engine components or am I incorrect in my anti-idling bias? Thanks.