Fuel efficiency

If you're hot under the collar for a new car this weekend, check out our 
 advice to ensure you don't pay a premium.

Whether you're on the hunt for a new car or merely a car that's new to 
 you, it's a good time to be shopping. Here's what you need to know.

Gas prices remained stable in most parts of the U.S. and the national 
 average for regular was unchanged from a week ago, AAA reported.

Elon Musk's The Boring Co. proposes eliminating gridlock in cities with 
 underground tunnels that would carry cars via an electric sled.

To get the most from your car shopping as April turns to May, it's best to 
 know how to get the most. Here's what you should know.

The cost of filling up in the U.S. fell again this past week, the third week 
 in a row for such declines.

Cars.com tests the new Kia Optima plug-in to see if it lives up to its 
 promise of up to 29 miles on electricity alone.

Gasoline prices fell for the second week in a row, defying the usual spring 
 pattern of higher prices ahead of the Memorial Day weekend.

The backseat of the family-friendly 2017 Lexus RX 450h hybrid luxury SUV 
 is now safer for your precious cargo.