Continuing a long-standing trend, California's gasoline consumption declined 1.5 percent in this year's first quarter compared with the initial quarter of 2012, according to data released by the State Board of Equalization.
Diesel consumption, however, rose 3.8 percent year-over-year.
BOE said in-state gas use totaled 3.5 billion gallons the first quarter, compared with 3.56 billion gallons in the year-ago period.
Gas in this year's first quarter averaged $4 per gallon statewide, down 6 cents from 2012.
Diesel consumption in first quarter 2013 totaled 619 million gallons, compared with 597 million gallons in 2012. The average price of diesel was $4.22 per gallon, down from $4.28 a year ago.
Call The Bee's Mark Glover, (916) 321-1184.