Tipping rewards those who provide useful services that make your life easier and more enjoyable. Be discreet when you tip, and be generous--you'll be remembered long after your departure and welcomed back enthusiastically.

Gasoline is a transparent, petroleum-derived liquid that is used primarily as a fuel in internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives. Some g

Be prepared. Bring the necessary documentation with you, or they'll look at you and say "talk to the hand." This documentation generally includes:• Your permit. They'll check your driving record, and make sure you've not been suspended, which is wha