Sentence:  The AAA then splits it down this way : $ 10.50 for meals , $ 9.50 for lodging , $ 7 for <WSD>gas</WSD> and oil , and $ 2 for tips and miscellaneous . 
Meaning of the word marked with <WSD> tags:  a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines