"I realized nobody is going to rescue me from $4.39-per-gallon gas prices. Nobody's coming to your rescue. It's got to be you." -- Maureen Sullivan, quoted in the Chicago Sun Times. 

Ms. Sullivan has the right idea.  She runs her car on used vegetable oil and diesel gas, and it costs her approximately $50/mo, when it used to cost $200/mo with unleaded.  Wanna know how she converted her car?  Read the article here.