40% of People Have Altered Their Driving Due to Higher Gas Prices--EXPLODE--http://digg.com/business_finance/40_of_People_Have_Altered_Their_Driving_Due_to_Higher_Gas_Prices--EXPLODE--When asked, ?How high will gas prices need to get before you drastically alter the amount of driving you do?? 42% of respondents stated that they had already altered their driving, 25% said they would alter their driving at $4 per gallon, 20% stated they would alter their driving at greater than $5 and 13% said they would alter their driving at $5