LOS ANGELES, CA--(Marketwire - March 25, 2011) - Average gas prices topped $4 a gallon today in the Los Angeles/Long Beach and Ventura areas, according to the Automobile Club of Southern California's Daily Fuel Gauge Report. Earlier this month, motorists began paying $4 on average in Bakersfield, Santa Barbara, Santa Maria, Lompoc, San Luis Obispo, Atascadero and Paso Robles.