The national average for a gallon of regular gasoline jumped 15 cents from last week to $4.09. Rising crude oil prices are behind the spike at the pump. The Delaware gas price average is $4.14 today, up 28 cents in the last week and $1.07 higher than one year ago. The South Jersey gas price average is $4.15 today, up 23 cents in the last week and up $1.17 compared to one year ago. The national average per kilowatt hour of electricity at a public EV charging station stayed the same this past week at 42 cents, while in Delaware the cost is up 3 cents from last week to 41 cents.