Which Asian economy has the world’s most expensive gasoline? VnExpress InternationalShocked by gas at $4 in America? Try $15 in this city CNNCalifornia gas prices are the highest in the U.S., but there’s no proof of price gouging. Here’s why. CBS NewsThe travel industry is bracing for a chaotic—and expensive—summer Morning BrewMaps: How Much Have Gas Prices Risen Across The U.S.? The New York Times