---- — Last week was the fourth straight week in which regional and national gasoline prices increased. Service-station tracking by the auto club AAA showed that, as of Wednesday, the national average price for self-service regular gas stood above $3.80 per gallon.
Close to home, AAA’s Massachusetts average for self-service regular remained stuck above $3.75 per gallon last week. The New Hampshire state-wide average was just below that milestone, the auto club reported.
Last week’s increases came before any price spikes that might occur from interruptions in refining caused by the hurricane in the Gulf of Mexico. Recorded on Wednesday, the figures follow a trend of rising pump prices that has run almost uninterrupted through the summer.
In Massachusetts, Wednesday’s average price of $3.784 for self-service regular was 2.7 cents higher than the prior Wednesday’s figure of $3.757, according to AAA. Wednesday’s Bay State average was 12.8 cents higher than the $3.656 recorded on the same day last year.
New Hampshire saw a 2.4-cent increase over the seven-day span, with the state-wide average reaching $3.736 on Wednesday, from $3.712 one week earlier. On the same day of 2011, the Granite State average of $3.626 was 11.0 cents below Wednesday’s figure.
The overall U.S. average hopped upward by 8.8 cents last week, to $3.804 on Wednesday, compared to $3.716 the prior week. Wednesday’s national average stood 19.3 cents higher than the $3.611 recorded on the same day last year.