Americans are driving less, combining errands and shopping or dining out less since gasoline prices rallied in March, according to a survey by auto club AAA. A survey of 1,002 US adults last month showed 64% of Americans adapted their driving or lifestyle habits in response to high fuel prices. Of these, 88% said they drove less, 74% said they combined errands while more than half reduced shopping or restaurant visits. Many Americans have also postponed taking a vacation this year, according to the survey. Slowing demand and a weaker global oil market drove average pump prices in the US lower for 41 straight days, including the single biggest weekly drop in almost 14 years. But at $4.355 a gallon, prices still are 38% higher than a year ago. Lower pump prices alone may not be enough to get drivers back on the road as long as disposable income […]