 This is part of our continuing coverage of people making a difference in our community. To find out more, go to WTOP.com. Gas prices have risen for the first time in several months. Oil industry analyst Trilby Lundberg, the publisher of the Lundberg survey, tells us how much. We have the first gasoline price increase since mid-April. The price is now $3.61, up 8 cents in the past three weeks.