Car mileage is usually discussed in “miles per gallon,” which generally makes sense: We calculate car usage in miles and...

The average U.S. price of regular-grade gasoline plunged 32 cents over the past two weeks to $4.54 per gallon

Gasoline is closing in on $5 a gallon nationwide for the first time ever, according to AAA

The average U.S. price of regular-grade gasoline spiked 33 cents over the past two weeks to $4.71 per gallon

The Lundberg Survey says the national average retail price of regular-grade gasoline dropped 3 cents in the past two wee...

The average price for a gallon of gasoline in the U.S. hit a record $4.17 on Tuesday as the country prepares to ban Russ...

The average price of regular gasoline across the U.S. has risen above $4 per gallon for the first time since 2008

I’m starting to side with on this one: Drinking an arbitrary amount of water each day (one gallon, in this case) feels l...