ALEX CHADWICK, host: A new survey finds the number of Americans planning summer vacations is at a 30 year low.  Gas prices probably have something to do that.  A gallon is pushing four dollars.</s>MADELEINE BRAND, host: But world oil prices have actually fallen in recent days.  Industry analysts say there's a drop in U.S. demand.  Could it be we are acting on gas saving tips like these from AAA's Troy Green?</s>Mr. TROY GREEN (Public Relations Manager, AAA): You want to combine your errands and trips if possible making sure that the grocery store, the cleaners, everything is within the same area.  Also you want to make sure you maintain the proper air pressure in your tires.  And finally avoid driving aggressively.</s>ALEX CHADWICK, host: What are people doing about high gas prices?  Carpooling?</s>MADELEINE BRAND, host: Are they riding the bus?  Are they biking?  Skipping that side trip to Starbucks on the way into work?</s>ALEX CHADWICK, host: We want to hear from you.  Drop us an email.  Go to npr.org, and click Contact Us, and please put "gas tips" in the subject line.
Gas prices are causing more and more people to cancel summer vacations. We want your gas saving tips. What are you doing — or not doing — now that gas is pushing $4 per gallon?