This article originally published at Hawaii visitors are going to extremes as car rental rates double.

Take the stress out of car rental with Consumer Reports' survey, which measures the big names by cleanliness, ease of pickup, and pricing transparency.

That rental car might be costing more than the daily rate suggests. Road charges and tickets can come with surprising extras that many drivers never see coming.

A driver’s trust in his navigation system led him down what he thought was a […] ...