Fuel efficiency

Nissan says the next generation of its dedicated battery-electric car's 
 aerodynamic winglike shape will cut drag to extend the car's range.

Gas prices rose for the fourth week in a row, climbing 4 cents to a national 
 average of $2.33 for regular early Thursday.

Here's what's new this week in the pickup truck world as reported by sister 
 site PickupTrucks.com.

Tesla handed over the keys to the first recipients of its long-awaited Model 
 3. The automaker also posted plenty more details on the car.

Our team reporting from the 2017 New York auto-show floor has already 
 seen the sheets pulled off some 30-plus new models on the first day.

The National Highway Traffic Safety Administration awarded Tesla's all-new 
 Model X SUV perfect scores across the board in crash tests.

Hyundai announced that its Blue Link connectivity app is now compatible 
 with Google Assistant, part of Google Home's voice-activated speaker.

A new survey by AAA indicates that Americans want to buy electric vehicles 
 but suffer from range anxiety.

Registration data shows 280,000 new light-duty diesel vehicles registered 
 in 2016 with a total of 8 million on the road.